3 . clean the inside surfaces of the front teeth and hold the brush almost vertical 3前牙内侧使牙刷与牙保持垂直，用牙刷头上下刷牙。
He is a very hard [ i ] guy indeed . in fact the softest thing about him is his front teeth 他是个很硬朗的小伙子，事实上他最软的部位是他的前牙。
Her facial expressions typically tell us she is trying to cover up she is without front teeth 她的面部表情很典型地说明她想掩饰自己没长门牙。 ”
Clinical application of link pins and light - cured compound resin plus porcelain facing in front teeth cosmesis 自攻自断固位钉加光固化复合树脂加瓷贴面在前牙美容中的临床应用研究
The way to tell them apart is by looking at their noses and teeth . chip has a black nose and his two front teeth are together 告诉你，黑鼻子一颗大门牙的是奇奇，红鼻子两颗大门牙的是帝帝喔
A beaver ' s front teeth grow continually throughout its life and require constant gnawing to keep them at a healthy length 海狸的牙齿在一生中都会不断生长，因此它们需要经常磨牙来保持牙齿合适的长度。
Hermione , on the hogwarts express : " she had a bossy sort of voice , lots of bushy brown hair and rather large front teeth . 赫敏，在霍格沃茨特快上： “语气显得自高自大，目中无人。她有一头浓密的棕色头发和一对大门牙。 ”
On the ground , near the boxes , sat a thin woman , no longer young , with long , projecting front teeth , dressed in a black cloak and cap 在地上的箱子旁边，坐着一位已不年轻的瘦女人，长着长长的暴牙，身穿黑色斗篷，戴压发帽。
Hm . . . your teeth look pretty good , but there ' s quite a bit of plaque behind your front teeth and around your back teeth . do you floss every day 唔… …你的牙齿看来相当好，但门牙背后和后面的牙齿周围有好些牙石，你有每天用牙线吗？
A ： hm . . . your teeth look pretty good , but there ' s quite a bit of plaque behind your front teeth and around your back teeth . do you floss every day 唔… …你的牙齿看来相当好，但门牙背后和后面的牙齿周围有好些牙石，你有每天用牙线吗？
