他指着书架说,“我已经从他那里买了不少书了”。He gestured at the shelves. "I've bought many books from him."他毕恭毕敬地把小说放回了正面装有玻璃的书架。He reverentially returned the novel to a glass-fronted bookcase.她看着乱七八糟地塞在书架上的那些书。She looked at the books ja...
Flu virus can live on shared objects ( doorknobs, keyboards, counters, etc ).病毒可以在共用物品表面生存 ( 门把手 、 键盘 、 柜台等 ).Counters can, of course, be made highly directional by the use of external collimation.当然可以利用外部准直法来提高计数器的方向性.H...