单词学习:tone up 动词短语
tone up
/təʊn ʌp/
增强肌肉弹性;使更健康;使更有力或更有效
Gu Laoshi decided to tone up by doing regular strength training at the gym.
顾老师决定通过定期在健身房进行力量训练来增强肌肉弹性。
单词卡片
卡片已就绪