| 单词 | velocity |
| 释义 | Word Frequency velocity(vɪˈlɒsɪtɪ) nounWord forms: plural -ties 1. speed of motion, action, or operation; rapidity; swiftness 2. physics a measure of the rate of motion of a body expressed as the rate of change of its position in a particular direction with time. It is measured in metres per second, miles per hour, etc Symbol: u, v, w3. physics (not in technical usage) another word for speed (sense 3) Word origin C16: from Latin vēlōcitās, from vēlōx swift; related to volāre to fly |
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