The different phones which can represent a phoneme in different phonetic environment are called the ____ of that phoneme.
A.phones
B.sounds
C.phonemes
D.allophones
出自:信阳师范大学英语语言学

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块