







肌肉疲劳 (jī ròu pí láo) means “muscle fatigue” in Chinese. See the pinyin, native audio pronunciation, and 2 example sentences with English translations.
muscle fatigue
Scientists believe that this makes your muscles tiring, so we start to produce endorphins.
As if you needed another reason to hate the gym, it now turns out that exercise can exhaust not only your muscles, but also your eyes.