Optoelectronics
[计] 光电子学
🗣️ 情景例句
They're in my office.
在我办公室。
I've hurt my finger.
我割伤手指头了。
Wu dropped his stick! He stopped to get it and of course fell behind.
吴的接力棒掉地了！他停下捡棒，当然就落后了。