Photonics
[复]n.[用作单][物]光子学
🗣️ 情景例句
My name is Wang Feng and I'm calling to cancel plane ticket.
我叫王峰，我想取消我预定的飞机票。
Do you have a coin for the phone?
你有打电话的硬币吗？
I can't find it. There are just a few loose coins at the back of the drawer.
我也找不到。在抽屉底只有一些零散的钱币。