How often do you brush your teeth? Today's video reminds you why brushing your teeth is so important for your health!
累計挑戰 0 天
錄音限制為 6 分鐘
[ɪnˋfɛkʃən] (n.) 感染
[ɪnˋfɛkt] (v.) 感染
[ˋtrɪgɚ] (v.) 引起,觸發
[bækˋtɪrɪə] (n.) 細菌
今日已有 0 人參加每日口說挑戰