face covering

US /ˈfeɪs ˌkʌv.ər.ɪŋ/
UK /ˈfeɪs ˌkʌv.ər.ɪŋ/
"face covering" picture
1.

面部遮蓋物, 口罩

a piece of material worn over the nose and mouth to protect against the spread of disease or to provide protection from dust or other airborne particles

:
Wearing a face covering is mandatory in public transport.
乘坐公共交通工具必須佩戴面部遮蓋物
She knitted a colorful face covering for her child.
她為孩子織了一個彩色的面部遮蓋物