1. vt.使…下水　 set (a ship, especially one newly built) afloat
2. vt.发动；发出；发射　 set in motion; send; aim

　～ auspiciously　吉利地开始
　～ ceremoniously　隆重地出航
　～ formally　形式上地开办
　～ politically　政治上地发动
　～ successfully　成功地发射
　～ forth　出航，出海
　～ off　开始，产生，挥霍，大讲
　～ out　下水，开始
　～ against　殴打某人
　～ at　威胁某人
　～ for　向…出航
　～ from　从…驶下水
　～ into　发射到
　～ on　向…猛击
　～ with　以(…方式）推出

　They launched a new passenger liner.　他们定期使一艘新的客轮下水。
　They have launched a spaceship.　他们发射了一艘宇宙飞船。
　We launched another satellite last month.　我们上个月发射了另一颗卫星。
　They launched a missile.　他们发射了一枚导弹。
　The fisherman launched a spear at the big fish.　那渔夫向那条大鱼投掷渔叉。
　He launched an arrow into the air.　他向空中猛射一箭。
　He launched a new business when he was 30 years old.　他30岁时创办了一个新企业。
　They launched a new program.　他们开始了新的工作计划。
　They're holding a big party to launch the new film.　他们有一大群同行开拍这个电影。
　The country launched a national campaign against corruption.　那个国家发起了一场全国性的反贪污运动。
　The enemy launched an attack at 2 o'clock in the morning.　敌人在凌晨两点钟发动了进攻。
　A new ship was recently launched.　一艘新船最近下水。
　Another Chinese designed and built ship was recently launched.　又一艘我国自行设计制造的船最近下水了。

 ♣ launch against〔at〕　(v.+prep.)
　发起进攻　attack
　They launched a fresh anathema against him.　他们又发起了把他们赶出教门的运动。
　We launched a protest at them.　我们发起抗议，反对他们。
 ♣ launch into　(v.+prep.)
1. 开始在（水）中漂浮 (cause to) flow on the water
　Would it be wise to launch into this rough sea?　到这样汹涌的大海中游泳明智吗?
2. 开始从事 begin sth new
　He launched into a new subject last year.　去年，他开始了一个新题目。
　He launched into a rhythm vigorously.　他开始使劲演奏这首曲子。
　It takes courage to launch into a new business in these difficult times.　在这些困难时期里要开办新的企业需要勇气。
　Mr. Blearney launched into another of his stories.　布里尔尼先生开始讲他的又一个故事。
　Jack's parents decided to launch him into business.　杰克的父母决定让他进入实业界。
3. 使…下水；发射上天 push or send sth on its first voyage in sth
　The Americans and Russians have launched many rockets into air space.　美国人和俄罗斯人已把许多火箭发射到太空。
　The freighter was launched into water with a great splash.　货船入水时溅起巨大的水花。
 ♣ launch on〔upon〕　(v.+prep.)
1. 对…发动进攻 give an attack to
　He launched a determined attack on academic criticism.　他对学究式的评论发起坚决的反攻。
2. 向（市场）首次推出，引向… give sb/sth for the first time
　The director has launched on yet another plan for cutting costs.　经理又着手推行另一个压缩成本的计划。
　This is not a suitable time for launching forth on a new business undertaking.　现在，不宜着手搞新的经营项目。
　The musical theatre company is about to launch a new performer on the musical world.　这家音乐公司即将向音乐界推出一位新人。
　He's launching his son on a career in banking.　他正把他的儿子引向金融业。
 ♣ launch out　(v.+adv.)
1. 出海，出航 begin a voyage
　Those who dared to launch out beyond the unknown waters became the discoverers of new lands.　那些敢于去人迹未至的海域航行的人成了新陆地的发现者。
2. 出产，生产 produce (sth)
　The makers are about to launch out a new product.　制造者们马上要生产一种新产品。
3. 开始新的东西 start sth new
　〔说明〕 launch out常不用于进行体。
　Next year you may be ready to launch out as a concert pianist.　明年，你就可能有条件作为钢琴演奏家登台了。
 ♣ launch out at　(v.+adv.+prep.)
　进行攻击　begin to attack
　He suddenly launched out at me for no reason at all.　他突然毫无理由地对我进行攻击。
 ♣ launch out into　(v.+adv.+prep.)
　（起劲地）开始　start
　They are launching out into a series of scientific experiments.　他们正在着手进行一系列科学试验。
　Mr. Burk used the money to launch out into a new business.　伯克先生利用这笔钱开始搞一项新的企业。

U 发射；（船）下水；（新产品）投产process of putting into motion a ship, spacecraft or new product

　I saw the launch of the rocket yesterday.　我昨天看了火箭发射。
　Are you at the launch of the new ship?　新船下水你在场吗?
　The launch of their new machines in this factory received much media coverage.　这个工厂投产的新机器广获传媒报道。

　［词源］中古英语launchen（长矛，投掷长矛）