infra
                                                    英 ['ɪnfrə]
                                                                        美 ['ɪnfrə]
                        
                
                
                
                
                    
                                    
                
                                                                                                        infra 英文词源
                
                
                    
                        - infra (adv.)
- "under, below, further on," from Latin infra (see infra-).
 
                
                                                    infra 双语例句
                
                
                    1. An infra-red eye is said to detect the movement of any animal within an angle of 110 degrees at up to 10 metres.  据说红外眼能够探测到110度角范围内远至10米的任何动物的活动。 来自柯林斯例句
 - 2. The infra - red spectra of quinones present a number of interesting features. 
- 醌类的红外光谱具有一些有趣的性质.
来自辞典例句
 
- 3. Dancing in the street is rather infra dig for a bank manager! 
- 一个银行经理在街上跳舞,那是颇失身分的!
来自辞典例句
 
- 4. Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region. 
- 乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.
来自辞典例句
 
- 5. Infra - red absorption takes place only when there is a change of dipole moment. 
- 红外吸收峰仅在有偶极矩变化时才能实现.
来自辞典例句