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
U2 are touring here in October, and I hear they put on quite a show.
U2 八月份将来这里做巡回演出，我听说他们的表演很卖力。
Don't try judge young people by their appearance.
不要从外表去判断年轻人。
London is on the river Thames.
伦敦位于泰吾士河边。