Batman must take off his mask.

　　蝙蝠俠必須拿掉他的面具。

　　All the people out of the door, wearing a mask, a hat, and gloves.

　　出門的人都戴上口罩，帽子和手套。

　　She whipped the mask off her face.

　　她刷地一下子把臉上的面具摘掉了。

　　You must wear goggles and a mask that will protect you against the fumes.

　　你必須帶上護目鏡和防護面具，以保護你不被煙熏。