imperceptible
                                                    英 [ɪmpə'septɪb(ə)l]
                                                                        美 [,ɪmpɚ'sɛptəbl]
                        
                
                
                
                
                    
                                    
                
                                                    imperceptible 助记提示
                
                
                    1、im- "not, opposite of" + per- "thoroughly" + cept- + -ible.
2、literally "take entirely".
3、figuratively "grasp with the mind, learn, comprehend, recognize, notice".
4、如今,在英语里只使用其比喻义、引申义。                
                                                                    imperceptible 中文词源
                
                
                    imperceptible 无法感知的im-,不,非,perceptible,可感知的。
                 
                                                imperceptible 英文词源
                
                
                    
                        - imperceptible (adj.)
- early 15c., from French imperceptible (early 15c.), from Medieval Latin imperceptibilis, from assimilated form of in- "not, opposite of" (see in- (1)) + perceptibilis (see perceptible). Related: Imperceptibly. OED marks imperceivable as "Now rare."
 
                
                                                    imperceptible 双语例句
                
                
                    1. Brian's hesitation was almost imperceptible.  布赖恩的犹豫几乎难以察觉。 来自柯林斯例句
 - 2. imperceptible changes in temperature 
- 难以觉察的气温变化
来自《权威词典》
 
- 3. The slight change in the taste was imperceptible to most people. 
- 这种味道的细微变化对大多数人而言是无法觉察的.
来自《简明英汉词典》
 
- 4. She answered with an almost imperceptible nod of the head. 
- 她几乎不为人察觉地点了一下头作为回答.
来自《简明英汉词典》
 
- 5. His head moved in an almost imperceptible nod. 
- 他点头的动作微小得几乎看不出来.
来自《简明英汉词典》