rotator
IPA/rəʊˈteɪ.tər/
IPA/ˈroʊˌteɪ.t̬ɚ/
rotator — noun
- rotatorsingular
- rotatorsplural
1. a muscle that turns a limb or bone in place, such as the muscles that let the ar
1.名詞C2
釋義
a muscle that turns a limb or bone in place, such as the muscles that let the arm swing round at the shoulder
例句
The deep rotators in the shoulder let Hari raise his arm above his head.
the rotators of [joint] (anatomy collocation)
Selim tore a rotator while lifting heavy boxes during the office move.
tear a rotator (common injury collocation)
The physiotherapist showed Nora simple exercises to strengthen the small rotators around her hip.
Each rotator pulls on a nearby bone, letting the joint twist from side to side.
After surgery, Esteban could barely move the injured rotator in his right shoulder.
用法筆記
Most often plural ('the rotators') or part of the fixed phrase 'rotator cuff', the group of small shoulder muscles that hold the joint together.
常見錯誤
❌The helicopter's rotator spun fast.
✅The helicopter's rotor spun fast.
💡'rotator' is a body muscle; a spinning machine part is a 'rotor'.