asymmetric consonant

• 不对称边辅音；非对称辅音

asymmetric consonant的用法和样例：

例句

1. The nasal assimilates to the following consonant.
   该鼻音与下列辅音听起来相似。
2. A consonant can either be unvoiced or voiced.
   辅音可发声也可不发声。