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...
Two rapid transit trains collided early this morning in Boston.今晨早些时候，两辆高速火车在波士顿相撞。Leonard made a rapid calculation: he'd never make it in time.伦纳德快速盘算了一下：他肯定赶不上了。Police pulled him over doing 120km/h, making rapid c...
女性有时因过度使用磨砂膏而损伤了皮肤。Women sometimes damage their skin by going overboard with abrasive cleansers.用蔬菜磨砂膏加蜜乳按摩霜做磨砂.Mosha Gao vegetables with milk and honey massage cream to scrub.使用方法:舀取少许磨砂膏在手中,混合一些水.Scoop a little scrub i...