Retractor
n. 食言的人, 牵拉肌, 牵开器\\n[医] 牵开器, 缩肌
🏥 医学释义
牵开器，拉钩
🗣️ 情景例句
and one of them is Columbia.
其中一所是Columbia大学。
To fall down
掉下
When they objected, they were killed.
他们反抗时就被杀害。