Etendue
集光率
🗣️ 情景例句
It's the language of human relationship that is based on trust, openness, and understanding.
那就是基于信任、开放、和理解的人际关系的语言。
May I borrow some books?
我可以借几本书吗？
The children land on the island.
孩子们登上那个岛。