记忆方法
1、pro- "forward" + tract-.
2、字面意思为：draw forward, prolong.
2、字面意思为：draw forward, prolong.
中文词源
protract 拖延，延长
pro-,向前，-tract,拉，词源同draw,tractor.
英语词源
- protract (v.)
- 1530s, a back-formation from protraction and in part from Latin protractus, past participle of protrahere "to draw forth, prolong." Etymologically identical with portray, which was altered in French. Related: Protracted; protracting.
权威例句
- 1. Three hours have passed since the discussion was begun, and I'm afraid they will protract It'still longer.
- 这个讨论会已经开了3个小时了, 而且恐怕他们还会拖延下去的.
- 2. The cat can protract its paws.
- 猫能伸其爪.
- 3. It protract live - span and improve the corrosion periods.
- 延长了使用寿命,大大提高了防腐使用周期.
- 4. Let's not protract the debate any further.
- 我们不要再继续争论下去了.
- 5. Delay always breeds danger, and to protract a great design is often to ruin it.
- 推迟经常孕育危险, 拖延一个伟大的工程常常意味着毁灭它.
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