Actinometry
n. 辐射测量学\\n[化] 曝光测定; 光能测定学; 光化线强度测定
🗣️ 情景例句
and from the University of Michigan in 1956.
一九五六年从Michigan大学毕业。
Good luck!
祝你好运！
I haven't told you that my family made a lot of money in the nineteenth century by making children work 16 hours a day in their factories.
我还没有告诉过你，我的家在19世纪的时候赚了一大笔钱，是强迫儿童在工厂里一天劳动16个小时赚来的。