| 例句 |
The teacher taught the children how to add, subtract, multiply, and divide.老师教孩子们加减乘除运算。How much will it be if we subtract the labour costs?减去劳工成本后我们还剩多少钱？Many young children cannot add or subtract properly.很多幼龄儿不能正确地做加减法。The children are learning how to add and subtract. 孩子们正在学习加减法。The little girl has begun to learn to add and subtract.这小女孩已在学做加减法了。 |