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
After forty-eight hours.
四十八小时后。
Who bought that new house down the street from you?
谁挨着你的那条街买了那幢新房子？
It costs five hundred pounds.
它的售价是500英镑。