双语例句
The mask covers the nose and mouth. These are called half-mask air-purifying respirators.
这种面具将口鼻完全遮盖,称为半面罩过滤呼吸器。
词典释义:
净化面膜
The mask covers the nose and mouth. These are called half-mask air-purifying respirators.
这种面具将口鼻完全遮盖,称为半面罩过滤呼吸器。