Luminous emittance
[化] 光发射度
🧩 词语组成解析
[电] 由能源所幅射的每单位面积功率
🗣️ 情景例句
Yes, I took part in.
有，我参加了。
I've got a pain in my back.
我背疼。
I knew that experts from the local museum would soon visit the cave.
我知道本地博物馆的专家会很快到山洞来探访。