muscle tone

US /ˈmʌsəl toʊn/

UK /ˈmʌsl təun/

B2 中高級
n. (u.)不可數名詞肌肉張力
Regular exercise helps improve muscle tone.
n. (u.)不可數名詞肌肉線條
She's been working hard at the gym to improve her muscle tone.

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青春期。心理學速成班#20 (Adolescence: Crash Course Psychology #20)

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