1. vi.发嘶嘶声make a sound like a continuous "s"
2. vt. & vi.发嘘声表示反对　show disapproval and dislike of

　Geese and snakes hiss.　鹅和蛇发嘶嘶声。
　The iron hissed as it pressed the wet cloth.　熨斗压在湿布上时发出了嘶嘶声。

　▲ S+～+n./pron.

C 嘶嘶声　a hissing sound

　The speaker was received with a mixture of applause and hisses.　那演说者同时得到喝彩声和嘘声。