他们开始工作，用砂纸把木制品打磨平滑。They were settling to their work, rubbing down the woodwork with sandpaper.他的皮肤光洁平滑。His skin is clear and smooth.这种纸张手感平滑.This paper is smooth to the touch....
...a community overrun by a malignant minority indulging in crime and violence.一小撮从事违法和暴力活动的坏人横行无忌的社会Do you realize that because of you this city is overrun by baboons?你是否意识到因为你的原因这座城市被狒狒们闹翻了天?The advertising department ...
Lanthanum praseodymium - cerium rare earth ( LPC ) was a patent composition.镧镨铈混合稀土 ( LPC ) 是新型专利成分的混合稀土.A method for direct determination of cerium dioxide content is studied.介绍了一种直接测定氧化铈含量的新方法.The cerium oxide preferab...