Photonics
[复]n.[用作单][物]光子学
🗣️ 情景例句
There's lots of food left.
这里还剩下很多食物。
Good-bye, my darling, good-bye.
亲爱的，请慢走，请珍重。
That's the doorbell, said Ann's mother. They're here!
“门铃响了，”安的母亲说。“他们来啦！”