He is still vain enough to dye his hair red.他还是很虚荣，把头发染成了红褐色。It became obvious that all her complaints were in vain.很明显她所有的抱怨都是白费口舌。I am not a vain creature.我不是个爱慕虚荣的人。...
目前大量应用的是更先进的流化床干燥器.More modern fluid bed driers are now much in use.真空耙式干燥器 、 真空罐 、 种子罐 、 蒸馏锅.Vacuum Rake dryers, vacuum cans, seeds, pots, pot distillation.气流干燥器是化工生产中广泛应用的干燥装置.Flash dryer is a extensive applying drying...
赤霉酸也可加强雄性的倾向.Gibberellic acid may also accentuate the trend toward maleness.只有雄性的寒蝉在夏末秋初时鸣叫.Only male cicadas chirp in late summer, and early autumn.美洲野鸭雄性的头冠为白色.American widgeon the male of which has a white crown....