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 am speaking of people in general.
我所予的是一般人。
Misfortune comes on wings and departs on foot.
遭灾易，消灾难。
but ten months later, she received a letter from a girl in Holland.
但10个月以后，她收到了荷兰一位姑娘的来信。