将牙线在齿间来回拉动。Draw the floss backwards and forwards between the teeth.一种棘齿装置把线从线轴转到梭心上。A ratchet mechanism transfers the thread from spool to bobbin.研究人员观察到一只鸟把一只啮齿动物钉在一棵仙人掌上。Researchers observed one bird impale a rodent on...
很明显灰泥已脆裂老化，全剥落下来了。Obviously the plaster's just perished and all fallen off.老化的核反应堆早晚会出事故.An ageing nuclear reactor is an accident waiting to happen.他的头发开始脱落，皮肤也老化了。His hair is thinning and his skin has lost all hint...
她的床收拾得很整洁，衣服也收起来了。Her bed was crisply made, her clothes put away.我宁可你把那玩意收起来。I'd just as soon you put that thing away.哦，那些书！我本来要在下午之前收起来的。Oh, those books! I meant to put them away before this afternoon....