Polybius
n. 多样蟹属；波力比阿斯（古代希腊历史学家）
🗣️ 情景例句
Columbia? Why Columbia?
Columbia？为什么要去Columbia？
If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。
Did you have a good journey?
你旅途愉快吗？