When not removed, plaque causes tooth decay and gum disease.牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。There are problems of urban decay and gang violence.存在城市衰败和帮派暴力的问题。The phosphate was deposited by the decay of marine microorganisms.海洋微生物腐...
He has urged them to come to an equitable compromise that gives Hughes his proper due.他已经催促他们达成合理的妥协，给予休斯他所应得的报酬。We believe you can redistribute this money in a way that's equitable to take care of the poor of the i...
他按下按钮启动马达的时候保险丝烧断了。The fuse blew as he pressed the button to start the motor.机器老是卡住，马达隔不了几分钟就突然熄火。Every few minutes the motor cut out as the machinery became jammed.我们重新启动马达，沿河而下。Restarting the engine, we motored downriv...