Pierid
粉蝶
🗣️ 情景例句
I feel as if we've met each other before.
我觉得我们以前见过面。
They've already turned on the electricity.The house is ready.
他们已经开了电.房子是准备好了的。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。