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.莫妮卡拿起她的伯罗圆珠笔，放在牙齿间转动着。Monica picked up her Biro and revolved it between her teeth.它猛地朝我的脚脖子咬下去，牙齿还咔咔直响。His teeth clicked as he snapped at m...
Many of them are low coral or limestone hideaways of palm trees, trade winds, and sand.许多岛屿是低矮的珊瑚,或隐匿着棕榈树, 信风, 和白沙的石灰石....a rich and deep vein of limestone.储量丰富的深层石灰石矿脉The channel is overlain by siltstone and lenticular ...
...symbolic representations of landscape.地貌的符号化呈现The gestures are highly stylized and symbolic.各种姿势都是高度程式化的,并且具有高度象征意义.A lot of Latin-American officials are stressing the symbolic importance of the trip...许多拉丁美洲的官员都在强调此行...
Our bank has the agency for Master, VISA Express, Diners and JCB cards.我们能代理万事达卡 、 维萨卡、运通卡 、 大莱卡和JCB卡.JCB is one of the biggest three major manufacturers of construction equipment in the world.JCB公司是全球三大建筑设备制造商之一....
They all babbled simultaneously.他们同时叽里咕噜地说了起来。The two guns fired almost simultaneously.两支枪几乎同时开火。The radar beam can track a number of targets almost simultaneously.雷达波几乎可以同时追着多个目标....
In writing an essay one must do a lot of pruning.写文章要下一番剪裁的工夫.A sapling needs pruning, a child discipline.小树要砍, 小孩要管.Firms are cutting investment and pruning their product ranges.公司正在减少投资，缩减产品系列。...
They had seen him trawling and therefore knew that there were fish.他们曾见过他用拖网捕鱼，因此知道那里有鱼。Men are anxious to improve their circumstances, but are unwilling to improve themselves; they therefore remain bound.--James Allen人们...
Where the masses are not roused, work will stagnate.哪里不发动群众, 哪里的工作就死气沉沉.If you allow your mind to stagnate, this particular talent will atrophy.如果你老不用脑，那么这一特殊才能就会退化。The unpardonable sin of nature is to stand still, to st...