vigilance
                                                    英 ['vɪdʒɪl(ə)ns]
                                                                        美 ['vɪdʒələns]
                        
                
                
                
                
                    
                                    
                
                                                                                                        vigilance 英文词源
                
                
                    
                        - vigilance (n.)
- 1560s, from Middle French vigilance (16c.), from Latin vigilantia "wakefulness, watchfulness, attention," from vigil "watchful, awake" (see vigil). Related: Vigilancy (1530s).
 
                
                                                    vigilance 双语例句
                
                
                    1. Drugs are a problem that requires constant vigilance.  需要对毒品问题长期保持警惕。 来自柯林斯例句
 - 2. The birds cannot afford to relax their vigilance against predators. 
- 鸟儿不敢放松对捕食者的警戒.
来自《简明英汉词典》
 
- 3. Never relax your vigilance while you live in peace. 
- 你们要居安思危.
来自《简明英汉词典》
 
- 4. Constant vigilance is necessary in order to avoid accidents. 
- 为了避免意外事故,必须经常保持警惕.
来自《现代汉英综合大词典》
 
- 5. We shouldn't relax our vigilance at any time. 
- 任何时候我们都不应该放松警惕.
来自《简明英汉词典》