Optronic
光导发光的
🗣️ 情景例句
I've been working like a madman all day.
我今天一整天都像个疯子一样工作。
I enclosed some photographs in my letter.
我在信封里装了一些相片。
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。