强效可卡因是瘾君子们吸食的众多毒品之一。Crack is part of a battery of drugs used by addicts.那个自己坦白的瘾君子在13个月前被逮捕。The self-confessed drug addict was arrested 13 months ago.他只有24岁，却是个瘾君子。He's only 24 years old and a drug addict....
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...
His account of the fire accident includes a lot of extraneous details.他对失火事件的描述含有大量离题的细节.I can choose to ignore these extraneous thoughts or certainly choose not to act on them.我可以选择无视这些无关的想法，当然也可以选择不按这些想法行事。We ought not...