Spectral emissivity
[电] 频谱发射因数
🧩 词语组成解析
spectral
['spɛktrəl]
adj. （似）鬼的;幽灵的;谱的;光谱的;
n. (热)发射率\\n[化] 发射率; 热发射率; 比辐射率; 辐射系数; 热辐射系数
🗣️ 情景例句
He started with them almost forty years ago.
他在那里做了快四十年了。
You don't have to play that record/CD so loud, do you?
你不一定要把唱片放得那么响，对吧？
I have had so many falls that I am black and blue all over.
我摔了好几跤，全身又青又紫。