Os ischii
坐骨
🧩 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
Wedding-day Jitters.
这叫婚礼紧张症。
Keep it down!
别闹了！
My wife was delighted that things had returned to normal once more.
一切又都恢复了正常，为此我妻子十分高兴。