用法:
1 [Tn, Tn.pr] put (sth) into motion; send on its course 使（某事物）运动; 送上轨道:
launch a blow, a missile, a torpedo, a satellite 发出一击、 发射导弹、 发射鱼雷、 发射卫星 *
(fig 比喻) launch threats, insults, gibes, etc at sb 威胁、 侮辱、 奚落...某人.

用法:
2 [Tn] cause (a ship, esp one newly built) to move into the water 使（船, 尤指新船）下水:
The Queen is to launch a new warship today. 今天女王要主持新军舰下水仪式. *
The lifeboat was launched immediately to rescue the four men. 立刻放下了救生船救那四个人.

用法:
3 [Tn, Tn.pr] put (sth/sb) into action; set going 使（某人[某事物]）行动; 使开始:
launch an attack/offensive (against the enemy) （向敌人）发起攻击[攻势] *
The company is launching a new model next month. 下月公司将推出新型号产品. *
He's launching his son on a career in banking. 他让儿子从事银行业.

用法:
4 (phr v) launch (out) into sth enter boldly or freely into (a course of action) 勇於采取（某行动）; 任意进行（某活动）:
He launched into a long series of excuses for his behaviour. 他一五一十地提出很多藉口为自己的行为辩解. *
She wants to be more than just a singer and is launching out into films, ie starting a career as a film actress. 她不甘心只当歌手, 於是开始投身影界. launch out at sb attack sb, physically or verbally 攻击或抨击某人:
He suddenly launched out at me for no reason at all. 他突然无端攻击我. launch 2
n (esp sing 尤作单数) process of putting into motion a ship, spacecraft or new product （船的）下水; （航天器的）发射; （新产品的）投产或投放:
The launch of their new saloon received much media coverage. 他们投产的新轿车广获传媒报道. launch 3
[/lɔːntʃ; lɔntʃ/] n large motor boat 大汽艇.

• in the water(s)(on the water(s))
• in the way of(into the way of)
• in the way(on the way)
• in the wind(on the wind)
• in the wood(out of the wood)
• in time(on time)
• in tow(on tow)
• in trouble(into trouble)
• in trust(on trust)
• in turn(in one's turn)
• in turn(out of turn)
• in view of(in the view of)
• in view of(with a view to)
• in view(on view)
• in virtue of(by virtue of, in the virtue of)
• in want(to want)
• in word(in a word, in one word)
• in word(in words)
• in(into)
• in(on)
• in(out of)
• in(within)
• incapable(unable)
• incident(incidental)
• incomparable(uncomparable)