很快这种做作的交谈就结束了.All too soon the stilted conversation ran out.她脸上挂着做作的微笑.She has an unnatural smile on her face.显示出一种阴沉而又做作的壮丽." And a sombre, but yet a studied magnificence. "...
In heavy concentrations, ozone is irritating to the eyes, nose and throat.高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。Large concentrations of capital were in the hands of merchants.大量资本集中在商人手里.The latest data showed that global ozone concentr...
She can do 3000 keystrokes an hour.她在一小时内能按键3000次.Use Recorder to record keystrokes or mouse actions to play back later.用记录器记录击键或鼠标行为,以备后来播放.The number of keystrokes was used as a measure of work.敲击键盘的次数被用作工作量的度量指标....
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using st...