要求忠诚意味着你想发展一段严肃认真的恋爱关系。Wanting fidelity implies you're thinking about a major relationship.这本书的笔调有些时候太不严肃了。The tone of the book is sometimes too flip.“那件衣服很好看，”迈克尔说。“谢谢，”她严肃地回答。"That's a nice dress," said Micha...
As it happens to thee in the amphitheatre and such places, that the continual sight of the same things and the uniformity make the spectacle wearisome, so it is in the whole of life; for all things above, below, are the ...
The amide nitrogen of glutamine or asparagine functions more effectively than ammonia.谷酰胺或天门冬酰胺的酰胺氮作用较氨更有效.Aspartate is readily converted to asparagine.天门冬氨酸易于转变成天门冬酰胺.The reaction product derived from D fructose and L a...
The electric fire had begun to singe the bottoms of his trousers.电暖炉的火刚开始烧着他的裤腿。Flares, loons and bell-bottoms are back.微喇、中喇和宽喇又火了起来。She wore blue tracksuit bottoms.她穿了一件蓝色田径裤。...
在生态环境方面草原植被破坏严重, 草原沙化,草场退化, 土地盐碱化.In the aspect of environment destroy the plant, sandy grassland, saline soil.长江源区存在不同程度的沙化现象,沙地种类多样,分布广泛.Desertification of various degrees have been happening source region of Yangtze R...