tooth怎么读 英语tooth怎么读

马振华老师

1、tooth英[tu?θ]美[tu?θ]n.牙齿; 齿; 牙; 齿状部分。

2、[例句]A high proportion of five-year-olds have teeth in poor condition.五岁儿童牙齿不健康的比例高。