常见例句用作形容詞 (adj.)Their wedding cake had three tiers.他們的結婚蛋糕是三層的。This is a rope of three strands.這是一條三股的繩子。用作名詞 (n.)Biodegradation has at least three definitions.生物降解至少有三重含義。This is a rope of three strands.這是一條三股的繩子。 返回 three-ply