There was a drift of smoke above the trees.树林上空飘浮着一股烟。As rural factories shed labour, people drift towards the cities.由于农村的工厂纷纷裁员，人们逐渐流向城市。Here and there a drift across the road was wet and slushy.路上不时会有吹聚起的积雪，泥泞而湿滑。...
The lecturer spouted for hours.讲师滔滔不绝地讲了几个小时.In 1978 there were 884 students at a lecturer/student ratio of 1:15.1978年有884名学生，师生比为1比15。Rainey was an unimpressive, rather dull lecturer.雷尼是个平庸而且相当乏味的老师。He was much in deman...