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
Your show doesn't begin until eight thirty.
你的展览八点半才开始。
I'm not familiar with that part. Let me call someone who is more knowledgeable.
那部分我不熟悉，让我找专业人士来说明。
Read Jimmy's card to me,please, penny.
请把吉米的明信片念给我听听，彭妮。