tone up meaning in English
变强
音调升高
影响变硬
增强
Examples
- Exercise tones up the muscles .
运动可使肌肉强健。 - Exercise tones up the muscles .
运动能使肌肉发达。 - Exercise tones up the muscles .
运动加强肌肉。 - The doctor prescribed a medicine to tone up the system
医生开了一种增强体质的药。 - Vitamin b and c could tone up resistance
维生素b和c可以增强人的抵抗力。