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.牙齿和牙龈之间会滋生牙斑。Deposits of plaque build up between the tooth and the gum.需刷牙以去除牙斑.It is necessary to remove plaque by brushing one's tee...
Outsiders who wed islanders are given only three years' right of abode at first.岛外的人和岛民结婚之初只能获得三年的居住权。The couple wed late at night in front of just nine guests...深夜这对情侣在仅有的9位宾客面前举行了婚礼。In 1952 she wed film director R...
It is arguable whether the rebels will knuckle under.还不能确定反叛者是否会投降。The only thing to do was knuckle down and get on with some serious hard work.唯一能做的就是开始努力工作，好好干出点儿成绩来。They refused to knuckle under to any pressure.他们拒不屈从...
情况紧急的时候，保持镇静是重要的。It is important to keep calm in an emergency.由于有更紧急的事务,该项议案暂缓审议.The proposal was temporarily tabled due to more pressing business.这是一件十分紧急的事情.This is a matter of great urgency....