teeth
[tiθ]
n.
牙( tooth的名词复数 );
齿;
齿状部份;
致力于（ 有难度的事）;
tooth的复数形式;
（组织、法律等）强大有效;
不顾危险（或反对等）;
例句:
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Dry rough/substance encountered the grind / of my teeth.
来自T. Gunn
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It's a sentimental journey with teeth still intact.
来自BBC
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How many different kinds of teeth do you have?
来自SA
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He won, but only by the skin of his teeth.
他赢了，但是赢得十分勉强。
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I felt like I was being kicked in the teeth every day.
我觉得每天都在遭受失望的打击。
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She was only six and still missing her front teeth.
她才6岁，门牙还没长出来。