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
You are not going to be able to move after this and the aerobics class.
你会动都动不了的。在你做完这个后又去上有氧运动课之后。
The more the well is used, the more water it gives.
井水越打越多。
In 1975, a primitive machine called the Altair, was launched in the USA.
1975年，美国推出了一台被称为“牛郎星”的原始机型。