Subtractor
[计] 减法单元, 减法器, 减数
🗣️ 情景例句
I wonder if you could tell me.
不知你是否能告诉我。
We waved until the car was out of sight.
我们挥手直到汽车消失。
How did Mary make all of her money?
玛丽所有的钱是怎么赚到的？