学监要他说出做这事的理由。The proctor demanded of him his reason for doing so.我们把他的车丢在外面, 使他遭到学监的严历指责.By leaving his car out, we had got him into grave trouble with proctors.牛津大学或剑桥大学里学监的助手.A proctor's assistant at Oxford Univer...
Homoserine has also been implicated in the biosynthesis of methionine.同型丝氨酸也牵涉到蛋氨酸的生物合成.Cottonseed meal is deficient in lysine, methionine and leucine.?澍宸廴狈?蛋彼幔0蛋氨酸和亮氨酸.The article discussed the effects of zinc methionin...