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。
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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。