Optical emitter
[计] 光发射体
🧩 词语组成解析
n. 发射体, 发射极\\n[计] 发射极; 发射器
🗣️ 情景例句
What would you like to eat?
你们要吃点什么？
I often finish school in the afternoon.
我常常在下午放学。
The Olympic Games will be held in our country in four years' time.
4年以后，奥林匹克运动会将在我们国家举行。