Do you remember the rubber band on the back of that mask?
还记得面具后面的橡皮筋不？
2
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。
3
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.