Ischion
坐骨
🗣️ 情景例句
My friend's a chain smoker.
我的朋友烟瘾很重。
He doesn't like the idea of going to bed early.
他不喜欢早睡觉。
Jack was an excellent tennis player. He was able to beat anybody.
竭克是个网球健将。他天下无敌。