我们在田里耕作的时候,又下起雨来了.The rain came on again while we were working in the fields.古代农民发展了在沙漠耕作的几种方法.Ancient farmers developed several Methods: To farm the desert.用马耕作的现象在贫苦农民中仍然十分普遍.The use of horses for ploughing still preva...
许多学生被浓烟和大火困在了较高的一层上。Many students were trapped by smoke and fire on an upper floor.通常是那些受教育程度较高的人在全民公决中投赞成票。In general, it was the better-educated voters who voted Yes in the referendum.溶液中的气体由浓度较高的区域向浓度较低的区域扩散.A gas in ...