retroflection (-exion)

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retroflection (-exion)的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 retroflection:

1. a turning or tilting backward of an organ or body part

2. an articulatory gesture made by turning the tip of the tongue back against the roof of the mouth

3. the act of bending backward