Optocoupler
光隔离器; 光耦合器
🗣️ 情景例句
There are three things that have to be done first, Harry.
首先我们必须做三件事， Harry。
Better say nothing than nothing to the purpose.
与其说话不中肯，不如一言不发好。
You have a very successful business.
你的事业很成功。