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
Why don't you speak to Dad?
你们为什么不跟爸爸说说看？
He speaks English fluently.
他讲英语很流利。
Great. Would you please let me know when you have a race?
太好了。请告诉我你们什么时候比赛，好吗？