Objective To explore the way to preventing incisions infection of gangrened and perforated appendicitis.目的探讨预防坏疽穿孔性阑尾炎切口感染的有效方法.Keep good apples in perforated polythene bags.把好苹果放在有孔的聚乙烯袋中保存。The ulcer has perforated into...
如果迈克尔赢了，那我一直以来努力争取的一切都将白费。If Michael won, he would undo everything I have fought for.她的语气使他明白他是在白费口舌。The tone of her voice told him he was wasting his breath.很明显她所有的抱怨都是白费口舌。It became obvious that all her complaints were...
洛杉矶穷人的境况仍未得到改善。Conditions for the poor in Los Angeles have not improved.一定有很多人处在我这种境况。There must be any number of people in my position.看到这些人的生活境况，我深受触动。It has touched me deeply to see how these people live....