As we travel south, the countryside begins to undulate as the rolling hills sweep down to the riverbanks.我们一路南行，乡间开始变得起伏不平，绵延的山峦一直延伸到河岸。To undulate more freely, keep you hands about shoulder width apart.要波动的更自由些, 保持你的手与肩...
The very idea of a sixth form college was novel in 1962.第六学级学院在1962年还是新提法。He patented the idea that the atom could be split...他获得了“原子可以再分”这一概念的专利权。She tried to sell me the idea of buying my own paper shredder...她努力说服我买一台...
对这件事情反应最强烈的是我的校工.No one felt more strongly about it than my scout.事实上,遇到这种宴会,总要给校工一笔小费.There was in fact a recognized tariff for the scout on such occasion.还是说你们家只是整理草坪的校工?Or did your folks just do the lawns?...