Optronics
光电子学, 光导发光学
🗣️ 情景例句
Are you with me on this?
这一点你听懂我的意思没有？
A tall tree is struck by lightning.
大树被闪电击中了。
and the more difficult it is, the more highly it is regarded.
他们认为， 道路愈艰险愈带劲儿。