菜鸟问语法PP－1－133

renprince

133. Phonological structure encodes speak sounds

as a sequence of vocal tract configurations ---

successive positions of the larynx, jaw, lips ,

tongue, and velum.

请问选什么?我怎么觉得D错,因为其他名词都是单数,一致原则应改lips 为单数!

请指教!

moderation

ding !!!!

renprince

many  thanks !!!!