launch的過去式和用法例句~launch做動詞有發(fā)起;推出(新產(chǎn)品);發(fā)射等意思，那么你知道launch的過去式是什么嗎?下面跟著小編一起來學習一下吧。

launch的過去式和其他時態(tài)：

過去式: launched

過去分詞: launched

現(xiàn)在分詞: launching

launch的用法：

launch的用法1：launch用作及物動詞時常作“使…下水”解,后面常接船、客輪、海輪等之類的名詞,多用于被動結(jié)構(gòu)。launch也可表示“發(fā)射”,后面常接飛船、衛(wèi)星、火箭、導彈等之類的名詞,這時多用于主動結(jié)構(gòu)。

launch的用法2：launch還可表示“發(fā)動”“猛射”“使開始”“開辦”。

launch的用法3：launch與副詞out和介詞into連用時,意思是“投身,著手,開始”。

launch的過去式例句：

1. A Delta II rocket was launched from Cape Canaveral early this morning.

今天一早，一枚“德爾塔”Ⅱ型火箭在卡納維拉爾角發(fā)射升空。

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

這支武裝部隊已發(fā)動進攻要奪回失去的陣地。

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

軍隊現(xiàn)在似乎已經(jīng)發(fā)起了反攻。

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

1957年，蘇聯(lián)人將“斯普特尼克1號”人造衛(wèi)星送入了外層空間。

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

貝內(nèi)特發(fā)起了一場捍衛(wèi)“道德價值”、反對腐朽墮落的“自由相對論”的戰(zhàn)爭。

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

他接著嚴厲地斥責了幾位前任。

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

政府通過電視廣告和傳單的形式發(fā)起了宣傳活動。

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

杰夫滿懷熱情地做起父親來。

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

霍里根就新項目的重要性慷慨陳詞。

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

雅拍體育用品公司開展了加強員工培訓的活動。

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

當初上市的時候，麥金塔電腦是所有臺式電腦里較小的。

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

她就造成自己企業(yè)破產(chǎn)的政策發(fā)表了激憤的長篇演說。

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

政府已發(fā)起一系列廣告宣傳攻勢鼓勵民眾參加選舉。

14. Crabtree & Evelyn has just launched a new jam, Worcesterberry Preserve.

瑰珀翠剛推出一款新果醬——伍斯特漿果果醬。

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

警方已對該事件展開調(diào)查。