"articles below the first quality," c. 1600, plural of second (n.) "that which is after the first" (early 14c.), from second (adj.); originally attested in this sense in a Shakespeare sonnet. Meaning "second helping of food at a meal" is recorded from 1792.
权威例句
1. He has been clocked at 11 seconds for 100 metres.
他100米跑了11秒。
2. Thirty seconds later she reappeared and beckoned them forward.
30秒后她又出现了,示意他们往前来。
3. Davies finished almost two seconds in arrears for third place.
戴维斯落后了差不多两秒,获得第三名。
4. It's a new shop selling discounted lines and seconds.
这是家新开的商店,出售打折商品和等外品。
5. Take the time in seconds, square it, and multiply by 5.12.