Retractor
01
牵开器, 拉开器
a surgical tool for holding tissues aside during procedures
例子
The dentist used a retractor to keep my cheek out of the way.
牙医使用了一个牵开器来将我的脸颊移开。
During surgery, the retractor held back the skin for better access.
手术期间，牵开器将皮肤向后拉以更好地进入。
