Photonics
[复]n.[用作单][物]光子学
🗣️ 情景例句
It's too soon to know for certain.
现在还太早， 不知道确切情况 。
You'll be there in plenty of time.
你可以很方便地到达那里。
It almost looks as if someone has drawn it.
看起来好像这只鹿是画上去似的。”