The EU has issued a new set of directives on pollution.欧盟发布了一系列关于污染的新指令。Some beaches had failed to comply with European directives on bathing water.有些海滩未能遵守欧洲有关浴场的指令。There are no all-embracing EC directives on race equal...
牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。When not removed, plaque causes tooth decay and gum disease.彩色玻璃板先经过蚀刻，然后用传统技法手工着色。The stained-glass panels are etched and then handpainted using traditional methods.避免使用磨蚀剂，以免损坏瓷砖。Avoid abrasives, w...
He laughs loudly when I accuse him of fibbing.当我指责他说谎时，他大笑起来。Life at high school wasn't a bundle of laughs, either.中学生活也不是充满欢笑。She laughs too much.她笑得太多了。...