Sterad
球面(角)度, 立体角度的单位
🗣️ 情景例句
Good Gemma.
乖Gemma。
Hope is a good breakfast, but a bad supper.
希望是美味的早点，但又是难咽的晚餐。
No, she didn't hurt herself. She was all right.
没有，她没有摔伤。她没事。