Optocoupler
光隔离器; 光耦合器
🗣️ 情景例句
Yes, sir.
带来了 ，先生。
I also want to express my gratitude to all of my teachers over the years.
另外，我还想感谢这个多年来所有教过我的老师。
So he couldn't buy himself lots of good things. But he had lots of friends instead.
所以他不能给自己买很多好东西。可是他却有许多朋友。