Due to carelessness, his head hit the doorframe with a loud bang.他不小心把头撞到了门框上,一声钝响.Mother held on to the doorframe and almost fell.母亲手扶着门框,几乎跌倒.He flushed the bottom of the doorframe.他把门框的底部调到水平状态....
The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.Amphoteric monomer is prepared with acrylic acid , dimethyl...
他被指控为英国间谍，入狱关押了5年。He was jailed for five years as an alleged British spy.但法律专家们不能肯定这一指控是否成立。But legal experts are not sure if such a charge can stick.她的助手被警方指控犯有盗窃和欺诈罪。Her assistant was accused of theft and fraud by the ...