early 15c., "to draw (something) back," from Old French retracter (14c.) and directly from Latin retractus, past participle of retrahere "to draw back" (see retraction). Sense of "to revoke, recant, take back" is attested from 1540s, probably a back-formation from retraction. Related: Retracted; retracting.
权威例句
1. Torn muscles retract, and lose strength, structure, and tightness.
撕裂的肌肉会收缩,丧失原来的力量、结构和紧实度。
2. He's hoping that if he makes me feel guilty, I'll retract.
他指望着如果他能让我感到内疚,我就会收回所说的话。
3. A cat can retract its claws, but a dog can't.
猫的爪子可以缩进去, 但狗不能.
4. You may retract that statement.
你可以撤回那个声明.
5. Mr Smith hurriedly sought to retract the statement, but it had just been broadcast on national radio.