首頁英語詞典velocityvelocity考試真題

velocity

英 [v??l?s?ti] 美[v?'lɑs?ti]
  • n. 速率,速度;周轉(zhuǎn)率;迅速;高速,快速

考試真題


Once you have started the boulder rolling, it develops momentum, which is defined by its mass and velocity.

出自-2015年12月閱讀原文