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...
不要管与自己无关的事。Don't interfere in what doesn't concern you.别参与和自己无关的事.Do not meddle in things that do not concern you.与专业无关的事,他什么也不知道.He knows nothing of unprofessional matters....
The ground had eroded.这片土壤遭到侵蚀。His critics say his fumbling of the issue of reform has eroded his authority...批评家们说他在改革问题上的蹩脚做法已经削弱了他的权威。The creek had eroded deep into the little gully.泾水把那狭窄的河床浸蚀得很厉害.By 1980, Miami beac...