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
I've got six months to go until graduation.
我还有六个月就毕业了。
I'm taking a walk in the park.
我在公园散步。
It's a pleasure. What time is it by your watch, please?
不客气。请问，你的表几点了？