while的用法可从下述几点理解与运用. 一、while意为\"当.时候\",指一段时间,不能用来表示一个时间点. while the d**cussion was still going on,george came in.当讨论还在进行时,乔治走了进来. 二、while意为\"而;然而\",表示转折. there\'re plenty of rain in the southeast,whil...
摘抄:先看两个例子:1,345,233 = one million, three hundred and forty-five thousand, two hundred and thirty-three.1,684,234,465 = one billion, six hundred and eighty-four million, two hundred and thirty-four tho...
with the rapid development of small and medium-sized high-tech enterpr**es in china,the bank of science and technology that provided loans to these companies also emerge rapidly.th** article introduce...