Os pisiforme
[医]豌豆骨：腕骨近排内侧的骨
🧩 词语组成解析
n. 骨, 孔, 穴裂口\\n[计] 办公系统, 操作系统
🗣️ 情景例句
What business are you in?
你从事哪一行？
Peter began to hear about the interesting new play.
彼德开始听到新放映的电视剧很精彩。
This is not easy, and may require two porpoises working together.
这并非易事，可能需要两只海豚合伙干才行。