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
how could a guy not be hungry with all this talk about eating?
当大家都在谈吃的， 谁能不饿呢？
There was much news in the morning paper today.
今天的晨报上有许多新闻。
Excuse me，Sir.
先生，对不起。