Flower ecologists have distinguished the wind pollinators, i . e . the anemophilous plants from the zoidogamous plants.花生态学家把风媒传粉种, 即风媒植物,同动物媒植物区别开来....
He lapsed into long silences or became offensively off-hand...他要么陷入长时间的沉默，要么变得简慢无礼。I thought his glance at me had been offensively bold.我觉得他对我的瞥视唐突无礼。He smelled offensively unwashed.他很脏,散发出难闻的气味.The group who had been sh...
压缩空气的喷吐使飞机的左右和前后都能保持稳定。Jets of compressed air gave the aircraft lateral and directional stability.高高的烟囱 喷吐 出黑烟.Tall chimneys belch [ vomit ] forth black smoke.工厂的烟囱向空中喷吐着浓烟.The factory chimneys puff dense smoke into the ...
Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.化学方法包括酸洗法 、 皂化法 、 酰化法和酯化法等.Iso - army gall...