More often, all of the materials exposed to the etchant have a finite etch rate.通常, 所有暴露在刻蚀剂中的材料都具有一定的刻蚀速率.More often , all of the materials etchant have a finite etch rate.剂中的材料都具有一定的刻蚀速率.Hydrofluoric acid of Porcelain ...
Sallie won the pole vaulting.莎莉撑杆跳获胜.The bars are two round wooden bars used for such as swinging, vaulting, and handstands.双杠是两根圆形木制横杠,可做回环 、 腾越和倒立等动作.Vaulting the stile, he headed diagonally across the paddock.翻身跃过栅栏后，...
我深感泄气地回去把这消息告诉了比尔。Despondently, I went back and told Bill the news.贫穷和失业是难以解决的问题，这常常让人泄气。Poverty and unemployment are frustratingly hard to tackle.到这儿来的路上,不幸我的车胎泄气了.I unluckily had a flat tire on the way here....
他用毛巾抹去余下的皂沫。He wiped off the remains of the lather with a towel.她身上有股浓烈的石炭酸皂的味道。She smelled strongly of carbolic soap.我往脸上涂了皂沫，然后开始刮胡子。I lathered my face and started to shave....