An even larger region is under orange alert for smog, after red alerts late last month forced traffic off the roads and closed some schools.

启动霾橙色预警的地区范围更大。上月底发布的红色预警曾导致车辆限行和学校关闭。

youdao

Maxium user security through snap-lock functionality & red-colour indications for open and closed position.

最大用户的安全，通过管理单元打开和关闭位置锁定功能的红色标志。

youdao

The 100-year-old space, located inside the unusual red brick Gothic station building, was closed for a complete overhaul in 2006.

BBC: Business trip: Tokyo