unprecedented
                                                    英 [ʌn'presɪdentɪd]
                                                                        美 [ʌn'prɛsɪdɛntɪd]
                        
                
                
                
                
                    
                                    
                
                                                                                                        unprecedented 英文词源
                
                
                    
                        - unprecedented (adj.)
- 1620s, from un- (1) "not" + precedented. In common use from c. 1760.
 
                
                                                    unprecedented 双语例句
                
                
                    1. Each home boasts an unprecedented level of quality throughout.  每家的质量都堪称一流。 来自柯林斯例句
 - 2. The scheme has been hailed as an unprecedented success. 
- 这个计划广受好评,被认为是一个巨大的成功。
来自柯林斯例句
 
- 3. The ceremony was disrupted by unprecedented heckling and slogan-chanting. 
- 仪式因前所未有的起哄和喊口号声而中断。
来自柯林斯例句
 
- 4. Such a move is rare, but not unprecedented. 
- 这种做法很罕见,但也不是没有先例的。
来自柯林斯例句
 
- 5. The situation is unprecedented in modern times. 
- 这种情况在现代还没有出现过。
来自《权威词典》