The welding conditions should always be neutral or slightly oxidizing.焊接气氛必须永远保持中性或微氧化.Alkanes are resistant to attack by oxidizing agents generally.烷烃一般对于氧化剂的作用是稳定的.In liquid mixtures tetranitromethane may be used as an...
He seemed always ready to strike out at anyone and for any cause.不管什么原因、对任何人，他他似乎总是摆出一副凶相。After working as an employee for many years, Bill suddenly decided to strike out and open his own shop.比尔当了多年雇员之后, 突然决定要自己开店.They ...
自杀未遂的人比自杀成功的多四倍至十倍.Four to 10 times as many people attempt suicide as those who actually succeed.他们昨天出席了法庭,否定了对于谋杀未遂的指控.They appeared at court yesterday to deny charges of the attempted murder.警察以谋杀未遂的罪名逮捕他.Police were s...
Overhead, the lights showed the old timbers, used to brace the roof.灯光照亮了头顶上支撑屋顶的旧房梁。My daughter has to wear a brace on her teeth.我的女儿得戴牙套以矫正牙齿。The doctor cautioned him to brace up.医生告诫他要振奋精神.You had better brace yoursel...