https://online2.tingclass.net/lesson/shi0529/0009/9870/10.mp3
https://image.tingclass.net/statics/js/2012
Rosa: Slow down, Carl. I can’t keep up with you.
罗莎：卡尔，走慢一点。我跟不上你。
Carl: You walk as slow as a snail.
卡尔：你走得跟蜗牛一样慢。
Rosa: How do you keep so fit?
罗莎：你是怎么保持这么健康的呢?
Carl: I work out as often as I can.
卡尔：我尽可能地经常运动。
