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
it's in the cabinet with the salt and pepper.
应该跟盐和胡椒一起放在橱柜 。
Eat at pleasure, drink with measure.
随意吃饭，适度饮酒。
One day a letter from my father arrived at the school, asking for a teacher for me.
有一天，我父亲的信寄到学校，请求为我聘用一名教师。