| 释义 |
joule/dʒu:l/n. the SI unit of work or energy equal to the work done by a force of one newton when its point of application moves one metre in the direction of action of the force, equivalent to a watt-second (symbol 符 J) 焦耳(功或能的单位， 1 牛顿的力使其作用点在力的方向上移动 1 米所做的功，亦等于 1 瓦特秒) [named after J. P. Joule, English physicist d. 1889] |