How many man - days will be needed to construct this irrigation canal?修这条渠道要多少人工?She needed to find an outlet for her many talents and interests.她的多才多艺、兴趣广泛需要找个施展的机会。Empirical results are needed in the transonic Mach reg...
A young man of his years needed to have a separate room.他那个年纪的年轻人需要有个单独的房间。More vigorous action is needed to force the federal army to disengage.需要更强有力的行动来迫使联邦军队撤军。He needed surgery to cure a troublesome back injury.他需要做...