教練 If you want to tone up your legs, I recommend using the treadmill.

　　如果想鍛煉腿部，我推薦你使用跑步機。

　　簡 Thanks. Is there anything that I should pay attention to?

　　謝謝。應該注意些什么?

　　教練 Yeah, there are several things. First of all, you'd better start with a low speed.

　　嗯，有幾件事情需要注意。首先，最好從慢速開始。

　　簡 Yeah, I see.

　　嗯，我明白。

　　教練 Drink some water every 15 minutes and don't use the treadmill more than four times a week.

　　每十五分鐘就喝一次水，還有每周使用跑步機的次數不要超過四次。

　　簡 Ok, thanks.

　　情景會話：健身中心--- 健身操

　　琳達 How long do you do aerobics for every time you go?

　　健身操一次要跳多久啊?

　　張婷 One hour.

　　一個小時。

　　琳達 That's too long. Aren't you really tired afterwards?

　　時間太長了。跳完了不累嗎?

　　張婷 Of course. But it helps you lose weight in all areas of your body.

　　當然累了。但是能幫助你全身減肥。

　　琳達 Really? I'll go with you to do aerobics then.