irregular bone的用法和樣例：
例句
- The forked bone anterior to the breastbone of most birds,formed by the fusion of the clavicles.
鳥(niǎo)胸的叉骨，如愿骨大多數鳥(niǎo)胸骨前部的叉形骨，因鎖骨合并形成的。 - Osteoblasts are seen lining the irregular trabeculae, and there is an osteoclast near the center.
不規則骨小梁周?chē)梢?jiàn)成骨細胞排列，中心部位可見(jiàn)破骨細胞。
