Optronics
光电子学, 光导发光学
🗣️ 情景例句
I know you must be excited to go home after such a long business trip.
出差这么久，终于要回家了，我想你一定很高兴。
I have great difficulty in understanding him.
我觉得很难理解他。
The shop near our school
我们学校附近的商店