also flashpoint, "temperature at which vapor will ignite momentarily," 1869, from flash (v.) + point (n.). Figurative use by 1955. Slightly earlier as flashing-point (1867).
权威例句
1. She had heard the news-flash on a TV channel's news update.
她在一家电视台的新闻快讯中听到了这则简明新闻。
2. "What did Moira tell you?" Liz demanded with a flash of anger.
“莫伊拉跟你说什么啦?”利兹突然生气地质问道。
3. The answer had come to him in a flash.
他一下子就有了答案。
4. The essays could do with a flash of wit or humor.
这些散文需要一些出其不意的风趣或幽默。
5. Quick as a flash, the man said, "I have to, don't I?"