Subtractor
[计] 减法单元, 减法器, 减数
🗣️ 情景例句
You're like a brother to me.
你像我的兄弟一样。
Fire, water, and money are good servants, but bad masters.
水火金钱是忠仆，使用不当是祸首。
Lined up against the wall, there were long thin wires attached to metal spheres.
靠墙排列着许多细长的电线，而电线又连着金属球。