Emissivity
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
She never spoke about her private life.
她从未谈过她的私生活。
Mr. Smith, would you like to start things off?
史密斯先生，你要开始做事了吗？
It was a bit green.
还有点生。