Answer: it's normal to feel hungry when you start a new exercise regimen or you increase your exercise frequency or intensity.
答案：当开始一种新的锻炼方法或增加锻炼频率或紧张程度时，有饥饿感是很正常的。
2
The anterior and posterior cruciate ligaments are intact with normal signal intensity.
前，后十字韧带完好无损正常的信号强度。
3
You are exercising at moderate intensity if you are breathing faster than normal but can still say a sentence or two out loud or sing a snatch of a favorite song.