The major productive methods of serin are albuminolysis, fermentation method, chemical method and enzymic method.其生产方法主要有蛋白质水解法 、 发酵法 、 化学法和酶法,其中酶法是现在研究丝氨酸制备的重要方法....
I take it you're a friend of the Kellings, Mr Burr.伯尔先生，想必您是凯林家的朋友吧？She speaks with a soft West Country burr.她说话带有一种西部地区浓重r音的口音。She speaks with a Scottish burr.她讲话时带苏格兰人的颤音r音....
你不但不谢他,还埋怨他,真不知好歹.You are really an ungrateful wretch to complain instead of thanking him.他甚至连 谢 都不谢一声.He never so much as said " Thanks ".我累死累活地干,然而他甚至连谢也不谢我!I sweated blood on that job yet he didn't even thank me!...
It takes in anybody regardless of religion, colour, or creed.任何人，不论宗教、肤色或信仰，都可以加入。The club welcomes all new members regardless of age.俱乐部对所有新成员不分年龄一律欢迎。The fields give high and stable yields regardless of climatic circum...