mǒu / xiē / liú / huà / wù / yǔ / kōng / qì / jiē / chù / hòu / huì / chǎn / shēng / tè / shū / qì / wèi

某些硫化物与空气接触后会产生特殊气味。

Some sulfides produce a distinctive smell after coming into contact with air.