The enzyme activity test results showed that aldolase could transform Nacetyl - D - ManNAc into N - acetyl - D - neuraminic acid very efficiently.经纯化后催化活性实验结果表明,醛缩酶可将N- 乙酰 -D- 甘露糖胺高效率地转化为N - 乙酰-D-神经氨酸,表现出较高的催化活性.The N - ...
He felt impelled to investigate further.他觉得有必要作进一步调查。We should not jump to conclusions. Let's investigate first.我们不应草率下结论, 还是先调查一下吧.Let's investigate the syntax of Chinese.让我们研究一下汉语的语法....
语言是人类所特有的.Language is peculiar to mankind.语言是人类所特有的。Language is proper to mankind.欢喜唠唠叨叨、夸张本地优点的脾气是西部特有的.The tendency to expatiate and make much of local advantages was Western....
Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.在前寒武纪的最后1亿年中，两个主要的冰川时期对两个地区都产生了影响。Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.片麻岩, 变质岩, 可以发现,在...
Both housings are waterproof to a depth of two metres.两个机罩的防水深度均为两米。His waterproof trousers were brand new and stiff.他那条防水裤崭新笔挺。It is completely waterproof, yet light and comfortable.它防水性能非常好，但却轻巧舒适。...
她间或会给他打个电话。Once in a while she phoned him.我为了糊口仍然间或去做服务员。I was still working on and off as a waitress to support myself.间或发作的轻微头疼困扰了我一辈子。I've had occasional mild headaches all my life....