Calculuses
微积分, 微积分学, 计算, 演算, 结石, 积石, 牙垢
🗣️ 情景例句
you are about to become Susan Bennett--
即将成为Susan Bennett
Which one is more difficult?
哪一个是比较难的？
It was revealed that 20% of men in their mid-thirties snore.
调查指出，20%的35岁左右的男人打鼾；