Optronics
光电子学, 光导发光学
🗣️ 情景例句
Please don't be in such a hurry.
请别这么急。
So he keeps on studying after his English classes in order to prepare for life in America.
所以他在英语课下课后还继续学习，为以后在美国生活做准备。
During my years in school, Annie sat beside me in every class.
在我求学期间，安妮每堂课都坐在我身旁。