Osteocomma
[醫] 單骨, 骨件
??? 情景例句
All set for eating.
吃飯用的一切都準備好了。
I'm happy when I skate.
溜冰真是快樂呀。
This immense chasm has been formed by an underground stream which has tunneled a course through a flaw in the rocks.
這個深邃的洞穴是由一條地下暗泉沖刷巖石中的縫隙并使之慢慢變大而形成的。