护面罩

面罩内设置了双重传声器，以其特殊设计令佩戴者有清晰的通讯效果，确保了作业场所的内外交流，提高了工作效率。

lose face

lose/save one's face

stare sb in the face

Mallotus philippinensis Muell.-Arg.; monkey-face tree; kamila tree; kamala tree

working face

face-saving

inner fracture face

plain-coloured face cloth