normally lighted signal lamp

例句：

1. 1.The room was dimly lit by the single light bulb.
   房间由唯一的灯泡昏暗地照亮。
2. 2. The street is well-lit at night.
   这条街道晚上灯火通明。
3. 3.The museum exhibits many illuminated manuscripts.
   博物馆展出了许多发光手稿。