单词	dumbbell
释义	dumbbelldumbbell /ˈdʌmbɛl/ noun [countable] two weights connected by a short bar, that you can lift in each hand to strengthen your arms and shoulders
随便看	RC RCMP R & D RD. Rd. -rd RDA re- 're re reach react reactant reaction reactionary reaction force reactivate reactive reactivity reactor read readability readable reader readership

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