Quadratics
n. [数]二次方程式论
🗣️ 情景例句
Thanks.
谢谢。
How do you spell your last name?
你的姓是怎样拼写的？
The lawyer ascertained that a policeman had indeed dealt roughly with foreigners on several occasions.
律师证实有个警察确实多次粗鲁地对待外国人。