Of or pertaining to the roof of the mouth.

上颚的。

Designating various sounds formed between the tongue and the roof of the mouth, as the consonant k in keen, the vowels e and I, the y in yes, etc.

【语音】上颚音的；舌颚间成音的(如 keen 字中之 k、母音 e 及I、及 yes 字中之 y 等等)。

A palatal sound.

上颚音。