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Dumbbell
02
亜鈴
an ignorant or foolish person
例
The new dumbbells were quadruple the weight of their old ones.
The weight of the dumbbell is 15 pounds.
She pressed the dumbbells up and down to target her chest.
After the workout, she lifted a hefty dumbbell to strengthen her arm muscles.
The adjustable dumbbells can be adjusted to vary the weight for different exercises.