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
and this wonderful weather.
和这种美好的天气吧。
It is better to be safe than sorry.
事后追悔不如事前稳妥。
I don't know. I think he's very old.
不知道。我想他年纪一定很大了。