硫化氢

liú huà qīng wén zhe xiàng chòu jī dàn

硫化氢闻着像臭鸡蛋。

Hydrogen sulphide smells like rotten eggs.

tā men de láo fáng li yǒu dà liàng de liú huà qīng qì tǐ

他们的牢房里有大量的硫化氢气体。

They'd have a lot of hydrogen sulfide gas bound up in their cells.