同根派生 breast bone相關(guān)詞英漢例句The forked bone anterior to the breastbone of most birds,formed by the fusion of the clavicles.鳥胸的叉骨，如願骨大多數(shù)鳥胸骨前部的叉形骨，因鎖骨郃竝形成的。breast bone更多例句