Balljoint
n. (肩,膝等的)球状关节, 杵臼关节
🗣️ 情景例句
About 9:30.
大约九点半。
Really?
真的还假的啊？
Of course, New York is the ideal place for such an interesting study, because there is no shortage of tall buildings.
当然，纽约是进行这种有趣的试验的一个理想的地方，因为那里根本不缺乏高楼大厦，有的是高层的窗槛从上往下坠落。