| 单词 | hot spot |
| 释义 | hot spot 1. a country or region where dangerous or difficult political situations exist or may erupt, esp. where a war, revolution, or a belligerent attitude toward other countries exists or may develop: In the 1960s, Vietnam became a hot spot. 2. Informal. any area or place of known danger, intrigue, dissension, or instability. 3. Informal. a nightclub. 4. Photog. an area of a negative or print revealing excessive light on that part of the subject. 5. a section of forest or woods where fires frequently occur. 6. an area hotter than the surrounding surface, as on the shell of a furnace. 7. Physics. an area of abnormally high radioactivity. 8. Geol. a region of molten rock below and within the lithosphere that persists long enough to leave a record of uplift and volcanic activity at the earth's surface. Cf. plume (def. 10). 9. Genetics. a chromosome site or a section of DNA having a high frequency of mutation or recombination. 10. Vet. Pathol. a moist, raw sore on the skin of a dog or cat caused by constant licking of an irritation from an allergic reaction, tangled coat, fleas, etc. Also, hotspot. [1925-30, Amer.] |
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