1. C 钻头，钻床　 a tool or machine for making holes
2. U 操练，训练　 training and instruction in a subject of for a purpose, especially by means of repeating and following exact order

　carry out ～　进行训练
　have ～　操练
　operate ～　操作钻机
　perform ～　进行训练
　receive a ～　接受训练
　use a ～　用钻孔机
　daily ～　每天训练
　electric ～　电钻
　pneumatic ～　风钻
　air-raid ～　防空演习
　class ～　课堂操练
　close-order ～　紧密队形操练
　fire ～　消防演习
　lifeboat ～　救生艇训练
　bench ～　台钻
　dentist's ～　牙钻
　diamond ～　金刚石钻头
　hand ～　手钻
　power ～　电钻
　road ～　修路的钻机
　～ to bore a hole　钻孔的钻孔机
　at ～　在操练
　with a ～　用钻子
　～ in grammar　语法练习
　～ in〔on〕 pronunciation　发音练习

　He used a drill to bore a hole in the door.　他用钻在门上钻孔。
　The next year saw them make a new record by boring a well with one drill in a single day.　第二年，他们创造了一台钻机一天打一口井的新纪录。
　I need a drill to make a hole for the rod.　我需用钻在杆上钻个孔。
　An enormous drill was being used to look for oil in the seabed.　一个巨大的钢钻正在用来寻找海底石油。
　The drill ship for marine geological prospecting has successfully drilled a well for deep water oil prospecting in the Yellow Sea.　这艘海洋地质钻探船已成功地在黄海打了一口深水石油勘探井。
　To do drills is important in language learning.　做练习对语言学习来说很重要。
　The teacher told us to put aside our books and get ready for the weekly drill.　老师叫我们放下书本，做好准备进行每周的练习。
　When the fire drill starts, students will evacuate the building.　当消防演习开始时，学生们将从大楼里撤出。
　A fire drill interrupted the lesson.　一场火警演习中断了上课。
　This is a good drill for learning how to use English verbs.　这是一个学习英语动词的好练习。
　She paired the pupils in question and answer drills.　她把小学生组成一对来做问答练习。
　What is the drill for claiming expenses?　领取费用有哪些具体的手续?
　What is the drill for filling out this form?　应该怎样正确地填写这张表?
　He was told to give his name, age and address—that was the drill.　他要求说出姓名、年龄和地址——那是常规。

1. vt. & vi.钻（孔）；钻除　 make a hole or remove sth with a drill
2. vt. & vi.操练　 train and exercise soldiers, students, etc. under instruction

　～ English pronunciation　训练英语发音
　～ soldiers　训练士兵
　～ students　对学生进行训练
　～ troops　训练军队
　～ hole　钻孔
　～ rocks　钻岩石
　～ teeth　钻牙
　～ well　钻井
　～ regularly　正常地操练
　～ thoroughly　全面地训练
　～ vigorously　强度很大地训练
　～ for　钻探…
　～ for oil　钻探石油
　～ in　在…方面操练
　～ sb in spelling　对某人进行拼写训练
　～ into　反复向…灌输
　～ discipline into　向…反复讲解纪律
　～ through the chest　穿过胸膛

　The worker was drilling.　那工人在用钻孔机钻孔。
　Don't drill, please.　请别用钻孔机钻孔。
　The workmen are drilling in the road.　工人们在路面上钻孔。
　A bullet drilled through his stomach.　一颗子弹打穿了他的腹部。
　They intend to drill for oil.　他们打算钻探石油。
　A group of students were drilling in the early morning.　一群学生在清早进行操练。
　After a break they went on drilling.　休息一会儿后，他们又继续操练。
　I could hear birds whistling at the edge of the woods and the Prussians drilling in the meadow behind the sawmill.　我可以听到鸟儿在树林边的叫声和普鲁士士兵在踞木厂后边草地上操练的声音。
　The sportsmen are all out drilling for the National Games.　运动员们都努力训练，准备参加全国运动会。
　The bullet drilled him right between the eyes.　子弹正好穿过他的眉心。
　The dentist drilled my tooth.　牙医在我的牙齿上钻孔。
　They drilled rocks for inserting dynamite.　他们在岩石上钻孔，以便填装炸药。
　The dentist is drilling my tooth for a filling.　牙科医生给我的牙齿钻孔以便填补。
　The dentist drilled the bad bits out of her tooth.　牙医把她牙齿上蛀坏的部分钻掉。
　The workmen have been drilling the road all day.　工人们整天在路上钻孔。
　In less than a year they drilled a high-production oil well.　在不到一年的时间里，他们钻出了一口高产油井。
　The sergeant is drilling the recruits on the square.　军士在广场上训练新兵。
　In the steel plate five holes were drilled an inch apart.　在这块钢板上钻了五个相距一英寸的孔。

 ♣ drill down　(v.+adv.)
　在地面上打洞　make a deep hole in the ground
　We had to drill down 200 feet to find water.　我们得钻200英尺深才能找到水。
 ♣ drill in¹　(v.+adv.)
　反复教授，灌输　teach (sth) with force and repetition
　The speaker tried to drill in his point but the crowd was not interested.　发言人力图把他的观点灌输给听众，然而听众却不感兴趣。
 ♣ drill in²　(v.+prep.)
　指导反复练习　instruct and exercise (students) by the repeating of words, actions, etc.
　The teacher drilled the class in pronunciation of Latin words.　教师教这个班的学生练习拉丁字母的发音。
　The teacher drilled his students in sentence patterns.　教师对学生进行句型训练。
　The mother drilled her daughter in all that she should do at the wedding ceremony.　母亲对女儿在婚礼上该做些什么一一进行训练。
　She has been drilled in the art of courtesy.　她学过礼仪。
　A girl should be drilled in all that she should do.　应教会女孩子所有她应该做的事情。
　They are thoroughly drilled in English grammar.　他们在英语语法方面受到严格训练。
 ♣ drill into　(v.+prep.)
1. 用（机器、工具等）在（某物）上钻孔 make a hole in (sth) with a machine or tool
　The violent daylight drills into the room.　强烈的日光射进房间里来了。
　He sensed that the eyes of the men were drilling into the back of his neck.　他感到人们的目光狠狠地盯着他的脖子后面。
2. 反复地将…教授〔灌输〕给（某人） teach (sth) by force and repetition to (sb)
　Can't you drill some manners into the boy?　难道你不能教这孩子懂点礼貌吗?
　I simply don't believe that spoken skills can be drilled into learners in a language laboratory.　我简直不相信在语言实验室里能够把说话的技能传授给学生。
　She drilled into the children that they must say "thank you" to their hostess.　她反复叮嘱孩子们要记住对女主人说声“谢谢”。
　Parents often try to drill into their children how much they owe them.　当父母的常常冲着孩子唠叨说，他们对儿女恩重如山。

 ♣ drill in, drill into
　这两个短语的区别在于：
1. 作“在…钻”解时，只能用drill into，不能用drill in.
2. 作“反复灌输”解时，两者句型不同， drill in须用drill sb in sth；而drill into须用drill sth into sb，即drill in的宾语是“灌输”的内容，而drill into的宾语是“灌输”的对象。另外，作此解时drill in中的drill可用作不及物动词，而drill into中的drill只能用作及物动词。
 ♣ drill, exercise, practise, train
　这组词都有“练习，操练”的意思。其区别是：drill指有组织、有指导地反复进行练习、操练，使形成条件反射或习惯。exercise指为发展智力或锻炼身体而进行的练习，例如：
　We should constantly exercise our muscles.　我们应该经常锻炼肌肉。
　practise　指为了达到熟练或完善的程度而反复进行的练习（尤指在艺术、手艺或技巧方面的实践与练习），例如：
　You should practise playing the piano regularly.　你应该按时练习弹钢琴。
　train　指针对某种目标而进行的训练，例如：
　Their early training programmes them to be obedient and submissive.　他们早先受过的教育把他们训练得俯首帖耳、唯命是从。

　［词源］　中古荷兰语drillen（钻孔）