| 单词 | 作用力 |
| 释义 | 〔weight〕The force with which a body is attracted to Earth or another celestial body, equal to the product of the object's mass and the acceleration of gravity.重力：地球和其它天体对某物体的作用力，它等于物体的质量与重力加速度的乘积〔machine〕A simple device, such as a lever, a pulley, or an inclined plane, that alters the magnitude or direction, or both, of an applied force; a simple machine.机械装置：一个简单装置，如杠杆、滑轮或斜面刨，可以改变作用力的大小或方向或同时改变；简单机械装置〔supergravity〕The part of supersymmetry theory that attempts to merge the theory of gravity with the other fundamental forces by postulating the graviton's supersymmetric partner, the gravitino.超引力：超对称性理论的组成部分，藉由假设引力子的超对称性伙伴即引力微子存在而试图将引力理论与其它基本作用力合并 |
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