retractor
/ɹɪˈtɹæktə/
C1 · Advanced★☆☆☆☆
Simple Meaning
医生在手术中用来拉开皮肤或肌肉的工具。
When to Use
⚙️Technical
Advanced — complex ideas, academic/professional
Examples in Conversation
“外科医生要了一个牵开器来保持切口张开。”
“我看过一个视频，他们在膝盖手术中使用了牵开器。”
Learning Path
▶Full Definition
One who, or that which, retracts.