The last culprit you need to know about is Carbon Monoxide. It is an odourless, colourless and extremely poisonous gas.

你需要知道的最后一个罪魁祸首是一氧化碳。它是一种无味、无色的剧毒气体。

Gasoline still contains lead, which is extremely poisonous to humans.

汽油中还含有铅，铅对人体有极大的毒害作用。

You really need to know what you're doing because some mushrooms are extremely poisonous.

真的需要知道你在做什么，因为有些蘑菇是剧毒的。