If we had been careful such a calamity would not have befallen us.假如我们谨慎的话,这种灾难不会降临到我们的头上.They supposed that some calamity had befallen the Governor.他们心想这位先生一定遇到了什么无妄之灾.An accident has befallen him.一件不测的事已临到他....
By the time he's twenty he'll know everyone worth knowing in Washington.到20岁时，他就会认识华盛顿所有值得认识的人。Take a hundred and twenty values and calculate the mean.取120个值计算平均数。Southbound traffic tailed back for twenty miles...
the greed that pervades modern society现代社会中普遍存在的贪婪...the corruption that pervades every stratum of the country...渗透到社会各阶层的腐败An atmosphere of pessimism pervades the economy.悲观的气氛笼罩着整个经济.An unpleasant smell pervades the ho...