plyometricsWiktionary 原文演变路径（由近及远）英语源自 ←古希腊语 πλείων “more”词源说明From Ancient Greek πλείων (pleíōn, “more”) + -metric (“measure”). Additional details are available in Wikipedia at plyometrics § Etymology.释义（英文）名词 Noun(athletics) A form of exercise that involves the rapid stretching and contracting of muscles to develop muscular power.词族相关词（3）jump trainervertical jumpvertical jump test