1·People have found a way to protect themselves by wearing face masks.
人们发现可以通过戴口罩的方法来保护自己。
2·In a study, scientists from the US and Denmark said that people around the world are now using 129 billion face masks every month.
在一项研究中，来自美国和丹麦的科学家表示，世界各地的人们现在每月使用1290亿个口罩。
3·Many of them wore face masks and overcoats.
他们中的很多人头戴面具，身披外套。
4·The pair inside wore face masks and white gloves.
车内的两个人带着面罩和白色的手套。
5·'I can't reveal whether I used face masks,' says Mahle.
“我不能透露是否用过伪装面具，”梅丽莎说。
6·Meteorologists advised the public to wear face masks to ward off dust.
气象学家建议公众外出时戴口罩。
7·Divers will also need to wear full face masks to protect their eyes and mouths.
潜水者同样需要带全脸面具以保护眼睛和嘴。
8·Now, men in blue coveralls, white helmets and face masks roam the wreckage.
目前，身着蓝色制服，白色头盔及面具的人员在废墟中检察。
9·According gto the company, orders for face masks are 20 times higher than average.
据该公司表示，口罩订单要比以往平均水平高20倍。
10·Only two of about two dozen employees seen on a recent visit were wearing face masks.
近期对工厂的一次访问发现，二十多名工人中仅有两名佩戴口罩。