Optronics
光电子学, 光导发光学
🗣️ 情景例句
Do you know the phone number of the restaurant?
知道那家餐厅的电话号码吗
When poverty comes in at the door,love flies out of the window.
贫穷一进门，爱情跳窗走。
They are only too delighted to accept the invitation.
他们非常乐意接受邀请。