retract
/rɪˈtrækt/verb
with obj.
1- draw or pull (something) back or back in缩回, 缩进：
she retracted her hand as if she'd been burnt.
她像被烫着似的把手缩了回来。
1.1
- withdraw (a statement or accusation) as untrue or unjustified撤回, 收回（不真实或不正当的声明或指控）：
he retracted his allegations.
他撤回了他的指控。
1.2
- withdraw or go back on (an undertaking or promise)收回, 违背（保证, 诺言）：
the parish council was forced to retract a previous resolution.
堂区会议被迫撤消先前的决议。
1.3
- (of an animal) draw (a part of itself) back into its body（动物）将（身体部分）缩回, 缩进：
the cat retracted her claws.
猫缩回了爪子。
1.4
- draw (the undercarriage or the wheels) up into the body of an aircraft（飞机）收起（起落架, 轮子）。
1.5
- no obj. be drawn back into something缩回, 缩进：
the tentacle retracted quickly.
触角迅速地缩回。
派生词
retractable
adjectiveretraction
nounretractive
adjective词源
late Middle English: from Latin retract- 'drawn back', from the verb retrahere （from re- 'back' + trahere 'drag'）; the senses 'withdraw (a statement)' and 'go back on' via Old French from retractare 'reconsider' （based on trahere 'drag'）.