invaluable
                                        英 [ɪn'væljʊ(ə)b(ə)l]
美 [ɪn'væljʊəbl]
                                        
                                            
                            CET6 TEM4 IELTS 考 研                         
                                        
                 
                                
                             
                                                
            invaluable 无价的,极宝贵的in-,不,非,value,价值。即无法估量价值的,无价的,极宝贵的。同时,也可理解成毫无价值的,但该词义已做古。
 
                                    
            - invaluable (adj.)
- 1570s, "above value," from in- (1) "not" + value (v.) "estimate the worth of" + -able. It also has been used in a sense "without value, worthless" (1630s).
                 - 1. The research should prove invaluable in the study of linguistics. 
- 该调查研究在语言学研究领域的重要性应该会得到证实。
来自柯林斯例句
 
- 2. The book is an invaluable aid to teachers of literature. 
- 这本书对于教授文学的老师来说帮助非常大。
来自柯林斯例句
 
- 3. I was able to gain invaluable experience over that year. 
- 在那一年里我有幸获得了非常宝贵的经验。
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- 4. Breast self-examination is invaluable for detecting cancer in its very early stages. 
- **自检对早期癌症的发现是极为重要的。
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- 5. The video has become an invaluable teaching tool. 
- 录像已经成为非常有用的教学手段。
来自柯林斯例句