Polybius
n. 多样蟹属；波力比阿斯（古代希腊历史学家）
🗣️ 情景例句
Tom is studying photography at NYU. Tom
正在NYU学摄影。
Hello, it's really great to talk about ourselves and get to know each other.
大家好，我们自我介绍并相互认识真是太好了。
Who jumped highest?
谁跳得最高？