例句：

　　The rocket was launched in March 1980.

　　這枚火箭發(fā)射于1980年3月。

　　The satellite had been inactive since its launch two years ago.

　　該衛星自從兩年前發(fā)射以來(lái)一直沒(méi)起作用。

　　The new model will be launched in July.

　　新型號產(chǎn)品將在七月推出。

　　The police have launched a major operation against drug suppliers.

　　警方發(fā)動(dòng)了一次打擊毒販的大規模行動(dòng)。

　　overnment has launched a new offensive against crime.

　　政府發(fā)動(dòng)了新的打擊犯罪攻勢。