Photonics
[复]n.[用作单][物]光子学
🗣️ 情景例句
If you can't handle this job by yourself, I'm just a phone call away.
若你不能自己处理这件事的话，就打个电话给我吧。
Wit bought is better than wit taught.
不经一事，不长一智。
He's our office assistant.
是我们办公室的勤杂人员。