Fotodiode
光电二极管
🗣️ 情景例句
Where is your family from?
祖籍在哪里？
Take off your hat. It doesn't fit.
取下你的帽子，它不适合你。
I counted seven old cars and three old refrigerators.
我数了一下，有7辆旧汽车和3上旧冰箱。