Lung cells die and are replaced about once a week.肺细胞约每周新老更替一次。Their indecision has been replaced by confidence and steely determination.他们的优柔寡断已经被自信和钢铁般的决心所取代。At last the sobs ceased, to be replaced by sniffs.最后，啜泣终于止住了...
The line went dead. Whitlock replaced the receiver...线路中断了，惠特洛克把听筒放回原处。They replaced trams by buses.他们用公共汽车代替了电车.Cuts in funding have meant that equipment has been kept in service long after it should have been replaced....
The engineer and his son held frequent consultations concerning technical problems.工程师和他的儿子经常就技术问题互相征求意见。Next week he'll be in Florida for consultations with President Mitterrand...下周，他将在佛罗里达与密特朗总统进行磋商。The Dispute S...
他连续跳级，18岁时就以全美优等生联谊会成员的身份从肯塔基大学毕业。Moving rapidly through school, he graduated Phi Beta Kappa from the University of Kentucky at age 18.三四年级的学生相互合作,为联谊会布置体操馆.The third and fourth grades teamed up to decorate the gym for t...