tooth 在英語中是什麼意思？與 Lingoland 一起探索這個詞的含義、發音及具體用法
牙齒
each of a set of hard, bony enamelled structures in the jaws of most vertebrates, used for biting and chewing food.
齒, 鋸齒
a projection on a gear, saw, or comb.
