retract是什么意思，retract怎么读 语音:
retract 基本解释
vt.& vi. 撤回或撤消；缩回；缩进
retract 记忆方法
retract相关的词根或词缀是:
tract
retract退缩；缩进v.
re 向后 + tract 拉，拖 → 向后拉 → 退缩；缩进
retract 变化形式
第三人称单数： retracts
过去式： retracted
过去分词： retracted
现在分词： retracting
过去式： retracted
过去分词： retracted
现在分词： retracting
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GRE TOEFL 使用频率:
星级词汇:
中文词源
retract 撤消，撤回，缩回
re-,向后，往回，-tract,拉，词源同 draw,tractor.
retract 用法和例句
- Intolerant speech is often amplified and impossible to retract .
- 偏执的言论往往会被扩大，达到无法收回的地步。
- The government was quick to retract its offer when red-shirt leaders amended their demands .
- 当红衫军领导人修改他们所提出的要求时，政府方面却很快收回了承诺。
- For his part , britain 's prime minister will refuse to retract his comments .
- 但是对英国首相而言，他将拒绝收回其评论。
- Zhang was never able to reproduce his seminal work-in part due to the missing notebooks-and had to retract two of his papers in november 2009 .
- 张志文根本无法重现其开创性的工作部分原因在于丢失的笔记本以及在2009年11月不得不收回他的两篇论文。
- Once in the sky , retract the wheels and enjoy the view as the flight instructor offers basic advice on how to manage airspeed , maintain altitude and watch the plane 's heading .
- 飞机进入空中后收回起落架，这时你就可以观赏天空的景色了，同时飞行教练会教你控制飞行速度，保持高度和航向等方面的基本知识。