单词semivowel
n.: 半元音
网络: 半母音；半元音字
半元音:
a speech sound that sounds like a vowel but functions as a consonant, for example and andyet
【语音】半元音;半元音字母
复数：semivowels
A change in a vowel sound caused by partial assimilation especially to a vowel or semivowel occurring in the following syllable.
元音变化尤指因与下一音节的元音或半元音的部分相似而引起的元音变化
A semivowel, one having an audible sound by the addition of another Letter; e. g. S and R.
半元音是由另一个字母辅助才能够发出声音的字母，比如S或R；