Balljoint
n. (肩,膝等的)球状关节, 杵臼关节
🗣️ 情景例句
and used to play drums with the jazz band on weekends.
周末还经常在爵士乐队中打鼓。
A disease known is half cured.
病情确诊断，治病好一半。
The Bison on the Plains of America
美洲平原上的野牛