Once its impurities had settled, the oil could be graded...一旦杂质沉淀下去，油就可以分级了。The separation and determination of the primary impurities of diflubenzuron by liquid chromatography were carried out.通过反相液相色谱方法往甲醇与水的混合流动相中加入适当...
论理他早该回家了.He should have come home long ago.现在这种时候, 需要的不是有说服力的论理, 而是炽热的烙铁.At a time like this, scorching iron , not convincing argument, is needed.和我论理全然没用,她哭起来了.As it got her nowhere to discuss it with me she started to ...
If it looks serious, we can do a cesarean.如果问题严重的话, 我们会给你做剖腹产.Induction at 41 weeks with cervical ripening lowers the cesarean delivery rate.妊娠41周,经促宫颈成熟后引产可降低剖宫产分描.The complications of cesarean section from 1980 to 1984...
She shrank back with an involuntary gasp.她不由得倒抽了口冷气，往后退了退。The drug's side-effects can include involuntary defecation.该药的副作用可能包括排便失禁。Involuntary repatriation of Haitians began this week.这周已开始将海地人强制遣送回国。...