Optical relay

optical ['ɑptɪkl]

adj. 视觉的，视力的;眼睛的;光学的;

optic光学的 + al 表示属于...的、具有...性质的、如...的 → a.眼的；光学的

relay [rɪ'lɛi]

n. 接替人员，替班;传递;接力赛;继电器; vt. 转播，传达;用驿马递送，使接替;分程传递;

He went to Canada on business.

他因公赴加拿大。

See, listen, and be silent, and you will live in peace.

多看多听少多嘴，你会太平过日子。

Pierre and I borrowed the money and bought the necklace. During the next ten years we both worked day and night to pay back the money we had borrowed. That's why I now look so old. Well, after all these years we've at last paid back all the money.

我和比尔借了一笔钱，买下了那条项链。在后来的10年时间里，我们两人为了偿还这笔借款不分昼夜地干活。这就是为什么我现在看起来这样老的原因。好了，过了这些年之后，我们终于还清了全部借款。