Menstruum crystal is widely used in cephalosporin production in view of its stability and high purity.溶媒结晶由于其稳定性和纯度高被广泛用于头孢菌素生产中.Objective: Compare the effect on alkaloids of Bulbus Fritillariae thunbergii in different m...
他很客气地邀请我参加那晚的鸡尾酒会。He had very kindly asked me to the cocktail party that evening.他们邀请我去吃晚饭并住上一晚。They had invited me to come to supper and stay the night.到处都是人，全是邀请来的贵客名流。There were wall-to-wall people, all invited guests...
What is right for us need not be right for others.对我们来说是对的东西，对别人来说未必正确。I imagined the eyes of the others in the room upon me.我觉得屋里其他人似乎都在盯着我。Some people moved in silky, liquid movements, others were jerky, probably drunk...
The rivers here teem with fish.这里的河流中有大量的鱼.Unlike, say , Hemingway's or Mailer's, his life doesn't exactly teem with incident.比如他并不像海明威和梅勒的生活那样充满变故.The earth's tropics teem with species.地球上的热带地区物种繁多....
Lisa was irritated by the slovenly attitude of her boyfriend Sean.莉萨对男朋友肖恩吊儿郎当的态度非常恼火。Not surprisingly, her teacher is getting irritated with her.毫不奇怪，她的老师有点被她惹恼了。Francis smiled agreement, irritated by the obviousness of...