tierce /tiәs/ 📖 中文释义 n. 中号桶, 第三姿势, 三度音 📘 English Definition(英文释义) n the third canonical hour; about 9 a.m.n the cardinal number that is the sum of one and one and onen one of three equal parts of a divisible whole ← tier up T 字母词表 tiercel →