launch

launch¹
verb
[with obj.]

set (a boat) in motion by pushing it or allowing it to roll into the water
使（船）下水
the town's lifeboat was launched to rescue the fishermen.
镇上的救生艇被送下水营救渔民。
■set (a newly built ship or boat) afloat for the first time, typically as part of an official ceremony
（正式仪式）使（新船）初次下水
the ship was launched in 1843 by Prince Albert.
这艘船是1843年由阿尔伯特亲王主持下水的。
■send (a missile, satellite, or spacecraft) on its course or into orbit
发射（人造卫星、导弹或飞船）
they launched two Scud missiles.
他们发射了两枚飞毛腿导弹。
■[with obj. and adverbial of direction]hurl (something) forcefully
投掷
a chair was launched at him.
一把椅子向他扔了过来。
■[with adverbial of direction](launch oneself)(of a person) make a sudden energetic movement
（人）猛然起动，弹起
I launched myself out of bed.
我跳下床。
■utter (criticism or a threat) vehemently
激烈发出（批评，威胁）
he launched a biting attack on BBC chiefs.
他对BBC的首脑发起了尖锐攻击。
start or set in motion (an activity or enterprise)
发起（活动，企业）
the government is to launch a £1.25 million publicity campaign.
政府准备发起一场耗资125万英镑的宣传运动。
■introduce (a new product or publication) to the public for the first time
投入（新产品，出版物）
two new Ford models are to be launched in the US next year.
福特明年将在美国推出两款新车。

noun

an act or an instance of launching something
发射，发起
the launch of a new campaign against drinking and driving.
发起一场新的反酒后驾车运动。
■an occasion at which a new product or publication is introduced to the public
（新产品，出版物）发布会，推介会
a book launch.
新书发布会。

语源

Middle English (in the sense 'hurl a missile, discharge with force'): from Anglo-Norman French launcher, variant of Old French lancier (see lance)

继承用法
launch into

begin (something) energetically and enthusiastically
（积极热情地）开始，着手
he launched into a two-hour sales pitch.
他发动了一场两小时的销售宣传。

launch out

make a start on a new and challenging enterprise
开创，启动（新而难的事）
she wasn't brave enough to launch out by herself.
她没有勇气独自闯荡一番。

launch²
noun

a large motor boat, used especially for short trips
汽艇，游艇
■(historical)the largest boat carried on a man-of-war
(史)（舰载）大汽艇，工作艇

语源

late 17th cent.(denoting the longboat of a man-of-war): from Spanish lancha 'pinnace', perhaps from Malay lancharan, from lanchar 'swift, nimble'

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