They are toxic, meaning those working with them need special gas masks. They also ignite spontaneously in air, and may even explode.

它们是有毒的，这意味着工作人员需要特殊的防毒面具。它们也会在空气中自燃，甚至会爆炸。

He is seen wearing a gas mask, disposing of the artist's bodily waste.

有人看见他戴着防毒面具，处理艺术家的身体排泄物。

Why are you wearing that gas mask?

娜塔莉：你为什么戴着那个防毒面具？

We begin our dialogue with Natalie saying, or asking Anton, " Why are you wearing that gas mask? " A " mask" (mask) is something, usually, that goes over your face.

我们开始与娜塔莉对话， 或者问安东，“你为什么要戴那个防毒面具？ ” “面具” （面具）通常是覆盖在你脸上的东西。

Anton asked Natalie if she wants to " try one on" – that is, if she wants to try the gas mask on, if she wants to put it on her face.

安东问娜塔莉是否想“试戴” ——也就是说，如果她想试戴防毒面具， 是否想把它戴在脸上。

Of course, Rebecca is making something of a joke here, saying that the place – the daycare center where Puneet works is so dangerous maybe he should wear a gas mask to work tomorrow.

当然，丽贝卡在这里开玩笑说，普尼特工作的地方——日托中心太危险了， 也许他明天应该戴上防毒面具上班。