| 单词 | momentum |
| 释义 | momentummomentum /moʊˈmɛntəm, mə-/ ●●○ noun [uncountable] 1the ability to keep increasing, developing, or being more successful: She won the first match, then seemed to lose momentum (=become weaker or stop being successful). The economic recovery is expected to gain momentum (=become stronger or more successful) soon. We’re playing better in this half, but we have to keep the momentum going.2the force that makes a moving object keep moving: the momentum of the avalanche The hill got steeper and the sled gained momentum (=moved faster). The train loses momentum (=moves more slowly) as it comes to the top of the hill.3science, physics the force or power contained in a moving object calculated by multiplying its weight by its speed [Origin: 1600–1700 Latin movement, moment, from movere to move] |
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