1. U 蒸汽，气雾，水蒸气　 water in the state of a gas produced by boiling
2. U 蒸汽动力，蒸汽压力　 power or effort produced by steam under pressure, and used for making things work or move
3. U 被压抑的强烈感情；过剩的精力或劲头　 strong feelings or active strength considered as trapped by self-control

　blow off ～　喷出蒸汽
　gather ～　积聚蒸汽
　give off ～　放出蒸汽
　let off ～　放出蒸汽
　make ～ in a boiler　用锅炉产生蒸汽
　produce ～　产生蒸汽
　raise ～　加热锅炉，增高气压，振奋精神
　shut off the ～　关闭蒸汽
　turn off the ～　关闭蒸汽
　use ～　使用蒸汽
　get up ～　振奋精神，（车）渐渐加速
　pick up ～　（车）渐渐加速
　put on ～　使劲，加油
　run out of ～　筋疲力尽
　work off ～　使劲干活，消耗掉多余的精力，发泄强烈的感情
　dry ～　干蒸汽
　enough ～　足够的蒸汽
　hot ～　热蒸汽
　little ～　少量的蒸汽，没有多少蒸汽
　saturated ～　饱和蒸汽
　wet ～　湿蒸汽
　～ bath　蒸汽浴
　～ box　蒸汽箱
　～ brake　蒸汽制动器
　～ chest　蒸汽柜
　～ cushion　气垫
　～ cylinder　汽缸
　～ dome　汽室
　～ engine　蒸汽机车
　～ hammer　汽锤
　～ iron　喷雾式电熨斗
　～ pipe　输送蒸汽的管道
　～ ship　汽船，轮船
　～ whistle　汽笛
　～ winch　汽动绞车
　travel by ～　乘船旅行
　generation of ～　产生蒸汽
　under ～　在航行中
　ship under ～　在行驶中的船
　at full ～　开足马力，尽力地
　under one's own ～　凭自己的力量
　with full ～　开足马力地，尽力地

　The steam fogged my glasses.　蒸汽使我的眼镜模糊不清。
　When the boiler exploded, many people were hurt by the steam.　锅炉爆炸时许多人给蒸汽烫伤了。
　The house is heated by steam.　这所房子用暖气取暖。
　The use of steam originated many other reforms.　蒸汽的使用引起了许多其他改革。
　The surplus steam was blown off through the pipes.　多余的水蒸气通过管道放掉了。
　Blinded by the steam, he had to fish for the soap in his bath.　水蒸气遮住了视线，他在浴室内只得四处摸着找肥皂。
　Every modest flower needs pure air and will not grow in steam.　每一朵素洁的花需要在洁净的空气中生长，在不流通的空气中是不能生长的。
　His breath turned to steam that winter morning.　那个冬天的早晨，他呼出的气都化成了气雾。
　Diesel fuel has replaced steam on the railway.　柴油在火车上取代了蒸汽。
　Steam drives machinery.　蒸汽可以推动机器。
　The engines are driven by steam.　机车是由蒸汽来驱动的。
　The hot gas is used to produce steam which will drive electricity generators.　热气用来产生驱动发电机的蒸汽。
　In the past two hundred years man has learned to use steam and electricity.　在过去的200年间，人类学会了利用蒸汽和电力。
　The industry has just changed over from steam to electricity.　这产业刚刚从使用蒸汽改为使用电力。
　The old man still has a lot of steam left in him.　这位老人的精力还相当旺盛。
　The economy has lost steam.　经济已出现衰退。
　The campaign to strengthen discipline seems to be losing steam.　加强纪律的这场运动这会儿似乎松弛下来了。
　Expansion joints of various kinds are fitted on steam pipes.　各种各样的伸缩接头被安装在蒸汽管道上了。
　Electric trains have replaced steam trains in Britain.　在英国，电力机车已取代了蒸汽机车。
　The steam supply to the engine is controlled by the governor.　供给机车的蒸汽是由调节器加以调节的。
　There is no other vessel, either steam or sail.　没有别的船了，无论是轮船还是帆船。

 ♣ full steam ahead
　全速前进；竭尽全力　with as much speed and vigour as possible
　The ship was sailing for Shanghai at her full steam ahead.　那条轮船开足马力驶往上海。
　We've got government approval, so now we can go full steam ahead with our plans.　我们已经得到了政府的批准，现在可以全力以赴实施我们的计划。
　We have finally raised the finance so it's full steam ahead with the new project.　我们终于筹集了资金，因此新的工程马上可以开足马力进行。
 ♣ get up steam
1. 慢慢加速 (of a vehicle or an engine) slowly increase speed
　The train has to get up steam again after a stop.　火车停了以后又得加大蒸汽压力才能启动。
　The ferryboat in the harbour got up steam for the crossing to the island.　泊在港内的渡轮增强了锅炉的气压，准备驶向那个岛屿。
　Our plans are beginning to get up steam.　我们的计划正开始加速进行。
2. 打起精神，渐渐激动或愤怒 (of a person) collect one's energy; gradually become excited or angry
　I don't think I could get up steam to walk all the way—let's take the car.　我想我无法打起精神走完全程——还是让我们开车去吧。
　I was just getting up steam to get to the summit of the mountain.　我正鼓足干劲爬上山顶。
 ♣ let off steam
1. 放出蒸汽 give out steam
　The janitor let off some steam because the pressure was too high.　锅炉工把蒸汽放走了一点，因为压力过高。
　The motorcycle let off steam with a loud noise and then disappeared in the distance quickly.　那辆摩托车大声地排出了一阵蒸汽，然后很快就在远处消失了。
2. 宣泄被压抑的过剩精力或情感 release surplus energy or emotion from being restrained
　I was so angry I let off steam by shouting at the dog.　我非常生气，就向狗大喊大叫来发泄。
　The children are letting off steam in the garden.　孩子们在院子里乱跑，以消耗他们过剩的精力。
　When men let off steam, they tend to shout; women, on the other hand, express their feelings by weeping.　男人发泄感情时，倾向于大声叫喊；而妇女则不然，她们用哭泣来发泄感情。
　Our children are fortunate to have the garden in which they can let off steam after sitting at desks all day in school.　我们的孩子们有这个花园很幸运，在学校坐了一天后可以在里面解解闷。
 ♣ run out of steam
　失去动力；筋疲力尽　become exhausted
　There is a danger of the housing programme running out of steam.　住宅兴建计划有半途而废之虞。
　His government seemed to be running out of steam.　他那个政府似乎摇摇欲坠。
　The performing group began well, but seemed to run out of steam halfway through the year.　演出小组开始时很好，可是一年还没到头似乎就有些泄气了。
　He started off with great enthusiasm, but now he's beginning to run out of steam.　他一开始热情极高，可现在开始泄气了。
　He ran out of steam late in the afternoon.　他午后筋疲力尽了。
　The challenger was outclassed and ran out of steam long before the end of the fight.　挑战者远远不如卫冕者，结果在拳击赛远没结束前就已筋疲力尽了。
 ♣ under one's own steam
　凭自己的力量；独立地　without help from others; unaided
　Bobby finished his homework under his own steam.　博比独立做完了家庭作业。
　There wasn't room for me in their car, so I had to get there under my own steam.　汽车里没有座位了，我只好自己想办法去那里。
　Nobody's offered me a lift so I'm going home under my own steam.　没有人主动让我搭车，我只能自己回家了。

 ♣ steam, vapour
　这两个词都可以指“水汽，蒸汽”。其区别是：steam指水沸时变成的蒸汽；vapour比steam含义广，常常指由于温度的突然变化而产生的气体。例如：
　A cloud is a mass of vapour in the sky.　云块就是天上大量的水汽。

1. vt. & vi.冒蒸汽　 give out steam
2. vi.（靠蒸汽）行驶　 travel by steam power
3. vt.熏蒸　 use steam on, especially for unsticking or softening

　～ fish　蒸鱼
　～ rice　蒸饭
　～ sb's glasses　使某人的眼镜蒙上水汽
　～ surgical instruments　蒸煮消毒手术器械
　～ upward　水汽升起
　～ angrily　怒不可遏
　～ easily　容易发怒
　～ freely　随意地发怒
　～ horribly　可怕地发怒
　～ incessantly　持续不断地冒蒸汽
　～ quickly　迅速地冒蒸汽
　～ periodically　周期性地冒蒸汽
　～ simultaneously　同时冒蒸汽
　～ slightly　轻微地冒蒸汽
　～ along　奋力前进
　～ off　开走了
　～ over　蒙上了一层水汽
　～ up　布满水汽
　～ at　以…速度行驶
　～ down　驶向下游
　～ into　驶入
　～ off　蒸汽使…脱离
　～ up　驶向上游

　The kettle was steaming.　水壶冒汽了。
　The vegetable soup steamed.　菜汤冒热气。
　The fields are steaming in the frosty air.　雾茫茫的空气里，大地在散发着水蒸气。
　That would make him steam again.　那会使他又发火。
　The President was reported to be steaming mad on hearing the news.　据传总统听到这消息后暴跳如雷。
　The hot tea steamed my glasses.　热茶使我的眼镜蒙上了一层水汽。
　She steamed the strawberry-pudding.　她把草莓布丁蒸了一下。
　That woman often likes to steam the skin by covering it with hot towels.　那个女人常常喜欢用蒸汽蒸皮肤，把皮肤用热毛巾敷包起来。
　She held the letter over the kettle to steam it open.　她把信放在水壶上，用蒸汽开启信封。
　You can steam open the envelope.　你可以用汽熏把信封打开。
　The steamed bread has dried out.　这馒头风干了。

 ♣ steam off　(v.+adv.)
　用蒸汽使（某物）脱离　remove (sth stuck on sth) with steam
　Before you can mount the stamps in your album, you must steam them off their envelopes.　你得先用蒸汽使信封上的邮票脱落，然后才能把邮票夹在集邮簿里。
 ♣ steam out　(v.+adv.)
　以蒸汽为动力驶离　leave under steam power
　The ship steamed out, all her flags flying.　轮船驶离了，船上所有的旗帜迎风飘扬。
 ♣ steam over¹　(v.+adv.)
　蒸发，冒蒸汽　give out steam or vapour
　〔说明〕 steam over通常不用于进行体。
　The windows have steamed over.　窗户上蒙上了一层水汽。
 ♣ steam over²　(v.+prep.)
　为…发怒　become violent
　He was still steaming over the insult he had received.　他仍在为他所受的侮辱发怒。
 ♣ steam up　(v.+adv.)
1. 布满水汽 become misty with condensed steam
　His glasses steamed up when he came into the warm room.　他一走进温暖的房间，眼镜就被蒙上一层水蒸气。
2. 使发怒〔激动〕 become violent
　When Adden found out that Caen had not kept their secret, he became all steamed up.　阿顿发现凯恩没有保守他们的秘密就大发脾气。
　Bill was all steamed up about the movie he had just seen.　比尔刚看过这部电影，感到非常兴奋。

　［同义词］ n. vapour
　［词源］　古英语steam（蒸汽，汽）