1. 沙沙声：WF Waveform 波形 | Whispering 沙沙声 | Whistle 啸叫声,哨声
2. 细语：20 物我两忘Forget All | 21 细语Whispering | 22 心爱漫步Heart walk
noun
1. speaking softly without vibration of the vocal cords
Synonym: whispersusurrationvoicelessness
2. a light noise, like the noise of silk clothing or leaves blowing in the wind