此外，据我们判断，半开元音和闭长元音e的使用的特点是极不稳定。

Besides, as far as we can judge, a great deal of vacillation characterized the use of mid-open and closed long e.

youdao

此外，据我们判断，半开元音和闭长元音e的使用的特点是极不稳定。

Besides, as far as we can judge, a great deal of vacillation characterized the use of mid-open and closed long e.

youdao