This factory produces essences.这家工厂生产香精.Actually, the natural flavor essences and the chemicals they contain are colorless.事实上它们所含的天然香精与化学物质都是无色的.Ingredients: Contain natural VC and various kinds of vegetable essences.成份...
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 ...