Each motorcycle driver has to wear a mask.

　　每個(gè)摩托車(chē)駕駛員都得戴面罩。

　　Everybody had to wear a mask at the party.

　　化妝晚會(huì )上每個(gè)人都要戴面具。

　　I always wear a mask, sometimes I wear rubber gloves.

　　我總是戴一個(gè)面具，有時(shí)我也會(huì )帶橡皮手套。