Astrophotometry
n. [天]天体光度测量(术)
🗣️ 情景例句
Yes.
对。
Not getting the job was a terrible disap-pointment.
得不到那份工作，叫人失望极了。
Visitors have been asked to keep the woods clean and tidy.
游客已被告知要保持树林的整洁。