energetic

energetic
[ˌɛnəˈdʒɛtɪk]
adjective
  1. showing or involving great activity or vitality
    精力充沛的,充满活力的;需要精力的
    moderately energetic exercise.
    适度的体能锻炼。
    ■(Physics)characterized by a high level of energy (in the technical sense)
    (物理)高能的
    energetic X-rays.
    高能X射线。
    ■of or relating to energy (in the technical sense)
    (与)能量(有关)的
派生
energetically
adverb
语源
  1. mid 17th cent. (in the sense 'powerfully effective'): from Greek energētikos, from energein 'operate, work in or upon' (based on ergon 'work')
英语宝典
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