Facemask
[医]面罩, 面具
🗣️ 情景例句
Never pump gas with the engine running.
发动机在运转时，别加油。
You have a younger brother, don't you?
你有个弟弟，是吗？
It is not uncommon to hear that a shipping company has made a claim for cost of salvaging a sunken ship.
航运公司为打捞沉船而提出索赔，这是常有的事，