light bulb torus

例句：

1. 1. The light bulb is the mainsource of illumination in our home.
   灯泡是我们家中的主要照明设备。
2. 2. The torusshape of the light bulb is unique andeye-catching.
   灯泡的环形形状独特且引人注目。
3. 3. The engineer designed a new typeof light bulb with a torus shape.
   工程师设计了一种新类型的环形灯泡。