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
You see, Richard? Max is welcome here.
你看到了吧， Richard， 他们这儿欢迎Max呢。
He gives twice that gives in a trice.
即刻就给予，等于给两次。
and you avoid the frustration of arriving at the very moment when the train is drawing out of the station and being unable to get on it.
而且可以避免那种正好在火车驶出站时赶到车站，因上不去车而感到的沮丧。