hissed/hɪs/动词发嘶嘶声;发嘘声Why do snakes hiss?蛇为什么发出嘶嘶声?/hɪs/名词嘶嘶声;嘘声I heard a hiss and a pop as the cork came out of the bottle.我先听到了嘶嘶声,然后是砰的一声,瓶塞就弹出了瓶子。想跟读,去练习