The ship will be taken out of service within two years.

　　那艘船將在兩年之內(nèi)退役。

　　It will take a while for the drug to work out of your system.

　　這藥得需要一段時(shí)間才能排出你的體外。

　　The new sports centre will take the pressure off the old one.

　　新的'體育運(yùn)動(dòng)中心將減輕老體育運(yùn)動(dòng)中心的壓力。

　　How many countries took part in the last Olympic Games?

　　有多少國(guó)家參加了上屆奧運(yùn)會(huì)？

　　Many changes took place between the two world wars.

　　兩次世界大戰(zhàn)之間發(fā)生了很多變化。

　　Legislation will be difficult and will take time.

　　立法既費(fèi)力又耗時(shí)。