Polyomial
多项式
🗣️ 情景例句
Fine, thank you, Mr. Mrarchetta.
都好， 谢谢你 ，Mrarchetta先生。
What did you do the week before last?
上上星期你干了什么？
Suddenly, one of the children kicked a ball very hard and it went towards a passing boat.
突然，一个孩子狠狠地踢了一脚球，球便向着一只划过来的小船飞去。