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
For when we build our campfire.
用来生营火的。
In the evening one may praise the day.
入夜方能赞美白昼。
When I got to the theatre I found that they had sold all the tickets.
我到剧院时，发现所有的票都售完了。