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
Oh, I understand. She cooks and cleans, takes care of the children.
哦，我懂了，她烧饭、清洗、照顾孩子。
She made a notable contribution to science.
她对科学做出了杰出的贡献。
It's about a hundred metres along on the right.
再沿右边边走大约100米。