He displays fire fighters' equipment, including the oxygen mask, which he encourages his listeners to play with and put on.

他展示了消防员的装备，包括氧气面罩，还鼓励听众把玩并试戴氧气面罩。

youdao

Use a towel or similar item for covering but be careful of fire hazards. Eye covers such as a sleeping mask can be beneficial too.

用一条毛巾或类似物覆盖灯光，但小心火灾，使用眼罩等也很有用的。

youdao

Draw on oxygen mask through the nearest agent channel to the fire spot.

戴上氧气面罩，从最近的紧急通道到达火场。

youdao

Mausteller says he suspects the insulated device caused a fire because the rubber tubes and mask were tightly coiled against the hot canister.

CNN: Expert: Oxygen generators should be safe as cargo