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
If you want to go sightseeing, a ferry trip is usually pretty cheap.
如果你想观光，坐船通常是比较便宜的。
To make a model airplane
制造飞机模型
A famous actor in a highly successful play was once cast in the role of an aristocrat who had been imprisoned in the Bastille for twenty years.
有一位名演员曾在一出极为成功的剧目中扮演一个贵族角色，这个贵族已在巴士底狱被关押了20年。