在中国和法国，有一个圆形前高元音。

In Chinese and French, there is a front high rounded vowel.

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本文还提出了有待进一步研究的其他高元音的感知问题。

This paper also raises issues of the perception of other high vowels that remain to be studied further.

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关于零声母，本论文的假设：当音节以非高元音起首时，音节首音位置为空；

As for the conventionally defined zero-onset, the assumption in this thesis is that when the syllable begins with a non-high vowel, the onset position is empty;

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