launch的近义词是：introduce介绍；presentation介绍。launch的详尽释义是v.(动词)发射；投掷；使升空投入，积极投入出海；下水开展；开办使开始从事出版，发行猛力展开使（船）下水起飞投出提出，发起，发出开始，着手进行，开始从事将...投放市场；上市发动猛扑向前。launch的词语用法是v.(动词)launch用作及物动词时常作“使…下水”解,后面常接船、客轮、海轮等之类的名词,多用于被动结构。launch也可表示“发射”,后面常接飞船、卫星、火箭、导弹等之类的名词,这时多用于主动结构。
一、详尽释义点此查看launch的详细内容
二、词典解释
1.发射（火箭、导弹或卫星）
Tolaunch a rocket, missile, or satellite means to send it into the air or into space.
e.g. NASA plans tolaunch a satellite to study cosmic rays...
美国国家航空航天局计划发射一颗卫星上天，对宇宙射线进行研究。
e.g. A Delta II rocket was launched from Cape Canaveral early this morning.
今天一早，一枚“德尔塔”Ⅱ型火箭在卡纳维拉尔角发射升空。
2.使（船）下水；使（新船）首次下水
Tolaunch a ship or a boat means to put it into water, often for the first time after it has been built.
e.g. There was no time tolaunch the lifeboats because the ferry capsized with such alarming speed.
渡轮瞬间倾覆，根本没时间放救生艇下水。
3.开展（重大活动）；发起，发动（军事袭击等）
Tolaunch a large and important activity, for example a military attack, means to start it.
e.g. Heavy fighting has been going on after the guerrillas had launched their offensive...
游击队发起攻击后，激烈的战斗一直持续不断。
e.g. The police have launched an investigation into the incident...
警方已对该事件展开调查。
4.推出，发布（新产品）
If a companylaunches a new product, it makes it available to the public.
e.g. Crabtree & Evelyn has justlaunched a new jam, Worcesterberry Preserve...
瑰珀翠刚推出一款新果酱——伍斯特浆果果酱。
e.g. Marks & Spencer recently hired model Linda Evangelista tolaunch its new range.
玛莎百货最近聘请模特儿琳达·埃万杰利斯塔为其发布新系列产品。
5.（在江河、湖泊和港口载人的）大型汽艇
Alaunch is a large motorboat that is used for carrying people on rivers and lakes and in harbours.
e.g. The captain was on the deck of thelaunch, steadying the boat for the pilot...
船长站在汽艇甲板上为领航员保向。
e.g. We'll make a trip bylaunch to White Island.
我们将乘汽艇到怀特岛。
相关词组：launch into
三、网络解释
1. launch的反义词
1. (发布)：先创(SimChoice)微格教学互评系统当前已经成型,但其当前的情况来看,应该尚属于测试期.(2)与LMS运行时环境有关的规范,包括API,content-to-LMS数据模型,内容发布(launch)规范.
四、例句
We were going to launch a counterattack.
我们准备发起反攻。
The company researched the market demand and decided to launch their new product.
这家公司调查了市场需求，决定推出新产品。
The people all over the country exulted in the success in launching a new satellite.
全国人民为成功地发射了一颗新的人造卫星而欢欣鼓舞。
The oil tanker was launched last year.
那艘油轮去年下水了。
The launch was delayed by a technical hitch .
由于技术上出现临时故障而发射延期.
We have got good media coverage for the launch of the new model.
传播媒介对我们的新型产品投放市场作了有利的报导。
五、词汇搭配
六、经典引文
Making this launch into the wide world, by repairing to London.
出自：J. ClelandNine Bulls were launch'd by his victorious arm.
出自：Dryden七、词源解说
launch的相关近义词
introduce、presentation、introduction、promotion、unveiling、inauguration、dispatch、send off、open、start on、present、hurl、throw、spring、start、fire、set afloat、set going、embark on、inaugurate、launching、found、set in motion、plunge、establish、set up
launch的相关临近词
launcher、laughter、launching、launchman、launch on、launchpad、launchable、launch out、launch pad、launchways、launch cost、launch upon