Substractor
n. 减法器;减数
🗣️ 情景例句
Why do we need a swimming pool? Everyone in the family hates swimming!
我们需要游泳池做什么呢？家里人都讨厌游泳。
He has a dog.
他有一条狗。
They are paid by the hour.
他们按时取酬。