livediod

例句：

1. 1. The new LED lights are much brighter than the old ones.
   新LED灯比旧的亮得多。
2. 2. The teacher used an LED flashlight to illuminate the dark classroom.
   老师用LED手电筒照亮了黑暗的教室。
3. 3.The LED strips were installed along the walls of the exhibition hall.
   LED条带被安装在展览厅的墙上。