launch的过去式和用法例句

launch做动词有发起;推出(新产品);发射等意思，那么你知道launch的过去式是什么吗?下面跟着本站小编一起来学习一下吧。

　　launch的过去式和其他时态：

过去式: launched

过去分词: launched

现在分词: launching

　　launch的用法：

launch的用法1：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。

launch的用法2：launch还可表示“发动”“猛射”“使开始”“开办”。

launch的用法3：launch与副词out和介词into连用时,意思是“投身,着手,开始”。

　　launch的过去式例句：

1. 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. The armed forces have launched offensives to recapture lost ground.

这支武装部队已发动进攻要夺回失去的阵地。

3. The army now appears to have launched a counter-offensive.

军队现在似乎已经发起了反攻。

4. In 1957, the Soviets launched Sputnik 1 into outer space.

1957年，苏联人将“斯普特尼克1号”人造卫星送入了外层空间。

5. Bennett launched a crusade for "moral values" against decadent "liberal relativism."

贝内特发起了一场捍卫“道德价值”、反对腐朽堕落的“自由相对论”的战争。

6. He then launched a scathing attack on previous leaders.

他接着严厉地斥责了几位前任领导者。

7. The government has launched a campaign of television commercials and leaflets.

政府通过电视广告和传单的形式发起了宣传活动。

8. Geoff has launched himself into fatherhood with great enthusiasm.

杰夫满怀热情地做起父亲来。

9. Horrigan launched into a speech about the importance of new projects.

霍里根就新项目的重要性慷慨陈词。

10. Apacs has launched a campaign to improve the training of staff.

雅拍体育用品公司开展了加强员工培训的活动。

11. When launched, the Macintosh was the smallest desktop computer ever produced.

当初上市的时候，麦金塔电脑是所有台式电脑里最小的。

12. She launched into a tirade against the policies that ruined her business.

她就造成自己企业破产的政策发表了激愤的长篇演说。

13. The Government has launched an advertising campaign to encourage people to vote.

政府已发起一系列广告宣传攻势鼓励民众参加选举。

14. 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。

15. The police have launched an investigation into the incident.

警方已对该事件展开调查。