Adder-subtracter
[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;
subtracter
[səb'træktə]
n. 减法器;
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
Overdone is worse than undone.
过犹不及。
Well, I've recently started biology.
喏，我最近开始学生物学了。