tone up

动词 v.
中文释义

英文释义

动词 v.
  1. To cause to give a higher tone or sound; to give a higher tone to; to make more intense; to heighten; to strengthen. intransitive,transitive
  2. To firm and strengthen the muscles of the body by regular exercise. intransitive,transitive

词形变化

tones up present,singular,third-person toning up participle,present toned up participle,past toned up past
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