The rabbis try to steer clear of political questions.拉比们努力避开政治问题。I think a lot of people, women in particular, steer clear of these sensitive issues.我认为很多人，特别是女性，都会回避这些敏感问题。I'm trying to lose weight so I have to ste...
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 enzyme activity test results showed that aldolase could transform Nacetyl - D - ManNAc into N - acetyl - D - neuraminic acid very efficiently....
Years of dislike boiled over and blows were exchanged.多年的厌恶之情终于爆发，双方拳脚相加。He exchanged pleasantries about his hotel and the weather.他就宾馆和天气寒暄了几句。The two sides exchanged fire with artillery, mortars and small arms.双方交火时动用了...