Bipolar receiver

bipolar [bai'pəulə]

adj. 有两极的，双极的，两极世界的;

receiver [rɪ'sivɚ]

n. 接受者，收款员;接收器;无线电接收机;（破产公司的）官方接管人;

re回，向后+ceiv拿，抓，握住+er名词后缀 → 接收器

What a pleasant surprise running into you.

碰见你真是太棒了！

Your history paper is due.

你的历史课作业该缴了。

when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv

计算机可以使办公室人员和会计免除那些枯燥、重复的劳动。