radio-carbon
英 ['reɪdi:əʊk'ɑ:bən]
美 ['reɪdioʊk'ɑbən]
- 放射性碳
英语词源
- radio-carbon (n.)
- "Carbon-14," 1940, from radio-, comb. form of radioactive, + carbon. Radio-carbon dating is attested from 1949.
权威例句
- 1. When did the word " radio " come into common use?
- " radio " 一词何时开始普遍使用的 呢 ?
- 2. There has always been a difference between community radio and commercial radio.
- 社区广播电台和商业广播电台一直是有区别的。
- 3. All this, needless to say, had been culled second-hand from radio reports.
- 不用说，所有这些都是从电台报道中采集来的二手材料。
- 4. I use the short-wave radio to get the latest war news.
- 我用短波收音机收听最新的战事新闻。
- 5. If something's a sure-fire hit then Radio One will play it.
- 如果哪首歌一定会火，那么第一频道肯定会播出。