Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.研究了用无溶剂重结晶法提纯2,6二氯甲苯.Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catalytic chlorination...
快走比慢跑能消耗更多的热量。Brisk walking burns up more calories than slow jogging.我得快走，要不我该迟到了。I'd better scoot or I'll be late.快走! 要不我们到车站就迟了.Hurry up! Or we'll be late getting to the station....
Traditional grammarians are not comfortable about this new approach.传统语法学家不喜欢这种新方法.Grammarians began to study prepositions with the theory of case grammar recently.语法学界已开始借鉴格语法理论研究介词,并认为介词是语义的形式标志.The 20 th century saw a...
She has cleaved to these principles all her life.她这一辈子都恪守这些原则。The axe cleaved in front of Heyward, cutting some of the flowing ringlets of Alice.斧头从海沃德面前掠过, 劈断了艾丽斯一些飘动着的头发.She has cleaved to these principles all her life...
还有很多俳句竞赛, 有的是由上面这些会社举办的.There are numerous contests for haiku, some sponsored by the about societies.他们决定吸收他成为会社的成员.They decided to enrol him as a member of the society.这是因为上次出门做生意时,他对秘密会社的重要性有了新的认识.During his last trip ...
Catching colds is unfortunately an occupational hazard in this profession.不幸的是，容易感冒是这个行业的职业性风险。Police say they are confident of catching the gunman.警方说他们有信心抓住那个持枪歹徒。I was catching up on a bit of reading.当时我在忙着读些东西。...