light source coupler

例句：

1. 1. The light sourcecoupler is used to connect the LEDlights together.
   光源耦合器用于连接LED灯。
2. 2.The new light source coupler has ahigher efficiency and longer lifespan.
   新型光源耦合器具有更高的效率和更长的使用寿命。
3. 3. Theengineer designed a light source coupler thatcould efficiently transfer light from one end tothe other.
   工程师设计了一种光耦合器，能够高效地将光从一个端传递到另一个端。