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1·He had nice square white teeth.

他有整齐洁白的漂亮牙齿。《柯林斯英汉双解大词典》

2·Have you cleaned your teeth ?

你刷过牙了吗？《牛津词典》

3·Walsh bared his teeth in a grin.

沃尔什一笑露出了牙齿。《柯林斯英汉双解大词典》

4·Have you brushed your teeth?

你刷过牙了吗？《柯林斯英汉双解大词典》

5·Have you cleaned your teeth?

你刷过牙了吗？《牛津词典》

6·He's had his front teeth capped.

他包了门牙。《牛津词典》

7·The front cog has 44 teeth.

前齿轮有44个齿。《柯林斯英汉双解大词典》

8·I've had one of my teeth crowned.

我的一颗牙齿镶了假齿冠。《牛津词典》

9·His teeth were perfectly straight.

他的牙齿非常整齐。《柯林斯英汉双解大词典》

10·How often do you brush your teeth?

你多久刷一次牙？《柯林斯英汉双解大词典》

牙齿

1·His teeth were perfectly straight.

他的牙齿非常整齐。《柯林斯英汉双解大词典》

2·Walsh bared his teeth in a grin.

沃尔什一笑露出了牙齿。《柯林斯英汉双解大词典》

3·He had nice square white teeth.

他有整齐洁白的漂亮牙齿。《柯林斯英汉双解大词典》

4·She had very pretty straight teeth.

她有非常漂亮整齐的牙齿。《柯林斯英汉双解大词典》

5·She was so cold her teeth chattered.

她冻得连牙齿都格格作响。《柯林斯英汉双解大词典》

(1)gear teeth齿轮齿

(1)wisdom teeth[医]智齿

(1)front teeth门牙

(1)number of teeth齿数；牙数；牙齿数目

(1)baby teeth乳牙

(1)false teeth假牙（false tooth的复数）