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 ...
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....
He picked up a pencil and toyed with it idly.他捡起一支铅笔，无所事事地摆弄着。With a lip pencil, outline lips and fill them in.用唇线笔勾出双唇的轮廓，然后涂上唇膏。Give your brows extra definition with Outdoor Girl'sEyebrow Pencil in Brown.用“户外女孩”品牌...
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....
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，...