水箱和屋顶都需要敷设严密的保温层。Water tanks should be well lagged and the roof well insulated.从防守高度严密的监狱的集体越狱a mass breakout from a top security prison他那论证的精确严密the nicety of his argument...
The buck drew a newspaper from his pocket and set about perusing it very diligently.纨绔子弟从衣兜里抽出一张报纸,开始非常用功地仔细阅读.After perusing these four letters, Marius did not find himself much advancedbefore.马吕斯读完四封信以后, 并不感到有多大的收获.Hen...