tooth是什么意思

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tooth英音[tu:θ] 美音[tuθ]【中文释义】n.牙；齿;齿状部份；vt.给…装齿；vi.啮合。

【英文释义】

hard bonelike structures in the jaws of vertebrates;used for biting and chewing or for attack and defense

something resembling the tooth of an animal

a means of enforcement;

"the treaty had no teeth in it"

one of a number of uniform projections on a gear