| 单词 | shock wave |
| 释义 | Word Frequency shock wavenoun 1. a region across which there is a rapid pressure, temperature, and density rise, usually caused by a body moving supersonically in a gas or by a detonation Often shortened to: shock. See also sonic boom, shock tube 2. a feeling of shock, horror, surprise, etc that affects many people as it spreads through a community 3. the effect created on a queue of moving cars in the lane of a motorway when one car brakes suddenly and the cars behind have to brake as well, causing cars to slow down, sometimes for miles behind the first braking car |
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