Balljoint
n. (肩,膝等的)球状关节, 杵臼关节
🗣️ 情景例句
Bye.
再见。
I often go home at noon.
我常常在中午回家。
I would like to express to all of you here our sincere welcome.
让我向在座诸位致以最真挚的欢迎。’