将牙线在齿间来回拉动。Draw the floss backwards and forwards between the teeth.一种棘齿装置把线从线轴转到梭心上。A ratchet mechanism transfers the thread from spool to bobbin.研究人员观察到一只鸟把一只啮齿动物钉在一棵仙人掌上。Researchers observed one bird impale a rodent on...

“齿”的拼音为：chǐ...

“齿”的英语可以翻译为：tooth，a tooth-like part of anything，[书]age[书] （说到； 提起） mention ...