geminate       
 adjective  language specialized uk/ˈdʒem.ɪ.nət/ us/ˈdʒem.ɪ.nət/
 (发音)成双的
Geminate speech sounds are exactly the same and one is said immediately after the other.
  geminate consonants 双辅音,长辅音,重叠辅音 
 geminate       
 noun [ C ]  language specialized uk/ˈdʒem.ɪ.nət/ us/ˈdʒem.ɪ.nət/
 成双的发音
Geminates are speech sounds that are exactly the same, and one is said immediately after the other.
  the analysis of initial geminates in a language 对一个语言最初的双音的分析 
 geminate       
verb  language specialized uk/ˈdʒem.ɪ.neɪt/ us/ˈdʒem.ɪ.neɪt/
 发双音,发重叠音
to repeat a speech sound
  The middle consonant can be geminated. 中间的辅音可以发重叠音。