这种分类方法代替了林奈LINNAEUS的分类方法, 后开又被本瑟姆BENTHAM和虎克HOOKER有所改进. This classification replaced that of LINNAEUS, eventually being improved upon by BENTHAM and HOOKER.
他坐在书桌后吃力地写着，用的是一支部队发的钢笔。He sat behind a desk laboriously writing with an Army issue pen.我匆忙装好食品篮，吃力地把它拎上车子。I hastily packed the hamper and lugged it to the car.他吃力地站了起来。He hauled himself to his feet....
Before the race, he is fine. But afterwards he is worn out.赛前他状态很好，赛后就筋疲力尽了。"You're worn out, Laura," he said. "Go home and get some rest."“你太累了，劳拉，”他说，“回家休息一下吧。”These shoes are worn out.这双鞋破得不能再穿了。...
This change is considered to be due to denaturation of the enzyme.据认为这种变化是由于酶的变性作用造成的.Who knows case of denaturation of retinal element pigment!谁知道视网膜素色素变性病例!The thermal denaturation of chicken ovalbumin were investigati...
Novelty intumescent flame retardant ( IFR ) was made from phosphoric acid, pentaerythritol and melamine.使用磷酸 、 季戊四醇、三聚氰胺合成了一种膨胀型阻燃剂.Glass reinforced high performance polyamide resin, with a non - halogenated flame retard...