masks

Masks. Narrated by Marcio Catalano. Written by Pam Holden.

面具。 由马西奥·卡塔拉诺讲述。 作者：帕姆·霍尔登。

Some masks help to keep people safe at work. Masks stop bees from stinging the beekeepers.

有些面具能保障人们工作时的安全。 面具可以防止蜜蜂蜇到养蜂人。

Some people use masks to look after their eyes. Divers wear masks to help them see under the water.

有些人戴面具是为了保护眼睛。 潜水员戴面具才能看清水下的情况。

Dentists wear masks to keep out germs. Doctors and nurses use masks sometimes too.

牙医戴口罩来隔绝细菌。 医生和护士有时候也会戴口罩。

Some masks help people to breathe. Astronauts have to wear masks in space to give them air.

有些面具能帮助人们呼吸。 宇航员在太空必须戴面具来获取氧气。

Firefighters have masks that help them to breathe. Their masks keep out the smoke too.

消防员的面具可以帮助他们呼吸。 他们的面具还能挡住浓烟。