Do you remember the rubber band on the back of that mask?

还记得面具后面的橡皮筋不？

youdao

I always wear a mask, sometimes I wear rubber gloves.

我总是戴一个面具，有时我也会带橡皮手套。

youdao

When most people think about gas masks or respirators, what they usually envision is a tight-fitting plastic or rubber face mask with some sort of filter cartridge.

大多数人想到防毒面具或呼吸器时，脑海中呈现的是一件配有某种过滤罐的、塑料或橡胶材质的密闭面具。

youdao

Remember the rubber band on the back of that mask?

还记得面具后面的橡皮筋不？

哈佛公开课 - 幸福课课程节选

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