Balljoint
n. (肩,膝等的)球状关节, 杵臼关节
🗣️ 情景例句
Sorry, I'm afraid I'm busy tonight.
对不起， 今晚我恐怕没空。
Wine is mirror of the mind.
酒后吐真言。
There are one hundred thousand million stars in our own Milky Way alone,
仅我们的银河系就有1000亿颗恒星，