Sterluminancy
单位立体弧度的亮度
🗣️ 情景例句
Thanks, Ellen.
谢谢，Ellen。
Over 5,000 hours of work went into this software, and today it's my privilege to bring it to you.
这种软件的研制超过5000工作小时，今天我很荣辛地向你们展示它。
You're so nice!
你真好