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 was a beauty in her day.
她年轻的时候是个美人儿。
I'm sorry to interrupt, but I'd like you to explain that a little more.
很抱歉，我插个嘴，我希望你多解释一些。
Above the surface of the water, the towers rise to a height of nearly 700 feet.
塔身高出水面将近700英尺。