| 单词 | rapid |
| 释义 | rapid adj. & n. --adj (rapider, rapidest) 1. quick, swift. 2. acting or completed in a short time. 3. (of a slope) descending steeply. 4. Photog. fast. --n (usu. in pl.) a steep descent in a river-bed, with a swift current. Phrases and idioms rapid eye-movement a type of jerky movement of the eyes during periods of dreaming. rapid-fire (attrib.) fired, asked, etc., in quick succession. rapid transit (attrib.) denoting high-speed urban transport of passengers. Derivatives rapidity n. rapidly adv. rapidness n. Etymology: L rapidus f. rapere seize |
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