Richardson severed his right foot in a motorbike accident.理查森在一次摩托车事故中失去了他的右脚。He almost bled to death after the bullet severed an artery.子弹穿过动脉，他失血过多几乎性命不保。She severed her ties with England.她断绝了和英国的往来。...
若干研究已经发现了两个重要常量。Two significant constants have been found in a number of research studies.但是，他的货币理论中存在若干关键性错误。There were, however, a number of crucial flaws in his monetary theory.报告将调查结果按地区分成若干部分。The report breaks down ...