retract

v. 縮回、收回、取消、撤消

學術名詞

• 回縮核：數學

英文釋義

1. formally reject or disavow a formerly held belief, usually under pressure
2. pull away from a source of disgust or fear
3. use a surgical instrument to hold open (the edges of a wound or an organ)
4. pull inward or towards a center