“较高的”用英语怎么说？

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 ...