Periscian
(=periscii)四周投影
🗣️ 情景例句
No pain, no gain.
只有付出，才有收获！（不劳则无获！）
Aren't they students?
他们不是学生吗？
I have been offered a large sum of money to go away, but I am determined to stay here.
他们曾向我提供一大笔钱让我搬走，但我决定留在这儿。