Optoisolator
[电] 光隔离器
🗣️ 情景例句
Yes, I think it's important for me to be there
是的 ，我想我在场是非常重要的。
Least said, soonest mended.
多说反坏事。
The children were leaving school on Tuesday when they saw a truck.
星期二，孩子们正放学回家，这时，他们看见一辆卡车。