launch的過去式和用法例句

　　launch做動(dòng)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?下面跟著學(xué)習(xí)啦小編一起來學(xué)習(xí)一下吧。

　　launch的過去式和其他時(shí)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(dòng)詞時(shí)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(dòng)結(jié)構(gòu)。launch也可表示“發(fā)射”,后面常接飛船、衛(wèi)星、火箭、導(dǎo)彈等之類的名詞,這時(shí)多用于主動(dòng)結(jié)構(gòu)。

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

　　launch的用法3：launch與副詞out和介詞into連用時(shí),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(duì)已發(fā)動(dòng)進(jìn)攻要奪回失去的陣地。

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

　　軍隊(duì)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(hào)”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(chǎng)捍衛(wèi)“道德價(jià)值”、反對(duì)腐朽墮落的“自由相對(duì)論”的戰(zhàn)爭(zhēng)。

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

　　他接著嚴(yán)厲地斥責(zé)了幾位前任領(lǐng)導(dǎo)者。

　　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(dòng)。

　　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(xiàng)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(qiáng)員工培訓(xùn)的活動(dòng)。

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

　　當(dāng)初上市的時(shí)候，麥金塔電腦是所有臺(tái)式電腦里最小的。

　　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(zhǎng)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(shì)鼓勵(lì)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(duì)該事件展開調(diào)查。