研究N - 乙酰氨基葡萄糖在水溶液中的变旋行为.To mutarotation of N - acetylglucosamine in water was studied specific rotation.为存在变旋行为的糖及糖苷类化合物的研究提供了准确可行的方法.The study has provided available and reliable method for the mutarotation of water....
我们不应当对青年作家太苛求.We should not judge the young writers too harshly.他过于苛求.He is particular to a fault.她对他的发音更为苛求了。She became even more exigent over his pronunciation....
Few jockeys continue race-riding beyond the age of 40.很少有职业赛马骑师超过40岁仍继续参加赛马的。Two men riding on motorcycles opened fire on him.两个骑摩托车的男人向他开了枪。He was riding on his horse looking for the castle.他正骑着马寻找那座城堡。...
Lovett was a tall, commanding man with a waxed gray mustache.洛维特是个威严的高个男人，蓄着灰白的八字胡。Lovett's main contribution lay in elegantly sarcastic phrases.洛维特的主要贡献就是说了一些措辞文雅的挖苦话....