使用牙刷去除牙垢很有帮助.The use of a toothbrush to keep tartar down is very helpful.除牙垢用带尖工具除去牙齿表面的 ( 污垢 )To remove ( tartar ) from tooth surfaces with a pointed instrument.我的牙齿上有许多牙垢.I have a lot of tartar on my teeth....
How do you know we're not dealing with some psycho carny in a clown suit?你怎么知道我们要找的不是什么小丑装的变态的戏班演员?He had one brindle eye that sometimes made him look like a clown.他一只眼睛上有块花斑,这使得他有时看上去活象个小丑.It's sometimes tough...
The creating course of chlorine water and the vacuum dechlorination process was briefly introduced.简要介绍了氯水产生的过程及真空脱氯工艺.The main way for the reductive dechlorination of chloralkane is the direct transfer of electron.电子直接转...
an injunction restraining the disclosure of company secrets禁止泄漏公司秘密的禁制令His fustian shirt, sanguineflowered, trembles its Spanish tassels at his secrets.他身上穿的是件印有血红色大花的粗斜纹布衬衫, 每当他吐露秘密时, 西班牙式的流苏就颤悠.He unlocked the secrets ...
目的:探寻手术治疗涎腺肌上皮瘤的最佳方法.Objective clinical therapeutical method for oral and maxillofacial salivary myoepithelioma.20%的卵巢上皮瘤同时累及双侧卵巢.Benign epithelial ovarian tumors are bilateral about 20 % of cases.摘要皮脂瘤 ( 皮脂腺上皮瘤 ) 是具有皮脂腺...