diphthong
                                                    英 ['dɪfθɒŋ; 'dɪp-]
                                                                        美 ['dɪfθɑŋ]
                        
                
                
                
                
                    
                                    
                
                                                    diphthong 助记提示
                
                
                    1. phon- => phthong- "sound, voice" => diphthong.                
                                                                    diphthong 中文词源
                
                
                    diphthong 二合元音来自希腊语diphthongos, di-, 二,-phthongos, 声音,词源不详,可能同phone. 用来指二合元音。
                 
                                                diphthong 英文词源
                
                
                    
                        - diphthong (n.)
- late 15c., from Middle French diphthongue, from Late Latin diphthongus, from Greek diphthongos "having two sounds," from di- "double" (see di- (1)) + phthongos "sound, voice," related to phthengesthai "utter, speak loudly."