The process for renovating acetone stripper system is described.介绍了丙酮汽提塔系统的工艺改造过程.The couple spent thousands renovating the house.这对夫妇花了几千元来翻新房子。Renovating that house will cost you a pretty penny.为了整修那所房子,你得花很多钱.The coup...
People were awakened rudely by a siren just outside their window.人们被窗外传来的汽笛声猛然惊醒了。It sounds like an air raid siren.那听起来像是空袭警报。Somewhere in the distance a siren hooted.远处某个地方响起了警报声。...