breastbones /ˈbrestbəunz/ 📖 中文释义 n. 胸骨( breastbone的复数形式 ) 🔗 释义中的汉语词胸骨 📘 English Definition(英文释义) n. the flat bone that articulates with the clavicles and the first seven pairs of ribs ← breastbone B 字母词表 breasted →