Calculuses
微积分, 微积分学, 计算, 演算, 结石, 积石, 牙垢
🗣️ 情景例句
Don't worry about it. It's a taken of my appreciation for your business, and friendship.
没关系的。这是向你表示我们在生意及友谊上的一点心意。
In fact she's 20 years old.
她只有二十岁。
Let's go into the living room,Carol.
我们到客厅里去吧，卡罗尔。