第3课：力量 - 3
【迷你小对话】
A: I started working out regularly a few months ago. I feel really healthy.
B: I thought your arms were looking more muscular.
A: I am working on my muscle tone. I am also finding that my workouts are becoming more intense.
A: 几个月前我开始健身，现在感觉身体棒多了。
B: 怪不得你的胳膊看起来肌肉更多了。
A: 我在锻炼肌肉的硬度，我还突然意识到我健身的强度越来越大了。