Adder-subtractor
[计] 加减器
🧩 词语组成解析
adder
['ædə]
n. 加法器，（欧洲产）蝰蛇（小毒蛇），（北美产无毒的）猪鼻蛇;
[计] 减法单元, 减法器, 减数
🗣️ 情景例句
she's still alone, without her family.
她仍是孤单单的，找不到家。
No, thank you.
不，谢谢您。
That's why I didn't see the sign.
所以我才没看见那牌子。