adj.摩擦产生的,摩擦音的
n.摩擦音
A voiceless palatal fricative.
x舌面清擦音.
A voiceless velar fricative.
舌根清擦音.
Noisy fricative or explosive sounds are absent or hardly perceptible.
粗糙重浊的噪音或根本没有,或难以觉察.