protract
                                                    英 [prə'trækt]
                                                                        美 [pro'trækt]
                        
                
                
                
                
                    
                                    
                
                                                    protract 助记提示
                
                
                    1、pro- "forward" + tract-.
2、字面意思为:draw forward, prolong.                
                                                                    protract 中文词源
                
                
                    protract 拖延,延长pro-,向前,-tract,拉,词源同draw,tractor.
                 
                                                protract 英文词源
                
                
                    
                        - 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.
 
                
                                                    protract 双语例句
                
                
                    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. 来自《用法词典》
 - 2. The cat can protract its paws. 
- 猫能伸其爪.
来自辞典例句
 
- 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.
来自互联网
 
- 4. Let's not protract the debate any further. 
- 我们不要再继续争论下去了.
来自互联网
 
- 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.
来自互联网