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.
鳥胸的叉骨，如願骨大多數鳥胸骨前部的叉形骨，因鎖骨合併形成的。 - Osteoblasts are seen lining the irregular trabeculae, and there is an osteoclast near the center.
不規則骨小梁周圍可見成骨細胞排列，中心部位可見破骨細胞。
