咝咝声

wǒ men néng tīng dào qì tǐ xiè lòu shí fā chū de sī sī shēng

我们能听到气体泄漏时发出的咝咝声。

We could hear the hiss of escaping gas.

tā tīng jiàn jīn shǔ pèng dào shuǐ shí fā chū de sī sī shēng

她听见金属碰到水时发出的咝咝声。

She heard a hiss as the metal struck the water.