sibilation
n. 齿擦音发音；丝丝作响
近义词：buzz，assibilation，fizzle，hushing，hissing，hiss，
英英释义
Noun
- a fricative sound (especially as an expression of disapproval);
"the performers could not be heard over the hissing of the audience"
- pronunciation with a sibilant (hissing or whistling) sound