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1、launch
发射（火箭、导弹或卫星）
NASA plans to launch 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。
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。
开展（重大活动）；发起，发动（军事袭击等）
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。
The police have launched an investigation into the incident...
警方已对该事件展开调查。
推出，发布（新产品）
Crabtree & Evelyn has just launched a new jam, Worcesterberry Preserve.
瑰珀翠刚推出一款新果酱——伍斯特浆果果酱。
Marks & Spencer recently hired model Linda Evangelista to launch 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。
2、step up
增加(数量等);提高(速度、强度等)
He urged donors to step up their efforts to send aid to Somalia.
他敦促各捐赠方加快速度将援助物资送往索马里。
Security is being stepped up to deal with the increase in violence.
正在加强安保工作以应对日益增多的暴力活动。
3、shut down
(使)(工厂、公司等)关闭,歇业，停业
Smaller contractors had been forced to shut down.
规模较小的承包商已被迫歇业。
It is required by law to shut down banks which it regards as chronically short of capital.
法律规定资金长期短缺的银行必须关闭。
