1. They are laying a railroad track.
    他们正在铺设一条铁路轨道。

2. The computer will automatically keep track of the number of items and their price.
    电脑会自动记录物品的数目和价格。

3. He said that someone might be spying on the station and the pilot was ordered to keep track of the strange object.
    他说可能有人正对基地进行侦察，因此命令那个飞行员跟踪那个奇怪的飞行物。

4. He runs round the track or plays ball games.
    他或者沿跑道跑跑步或者打打球。

5. Don´t draw a red herring across the track.
    不要转移别人对主要问题的注意力。

6. As we bumped over the dusty track, we swerved to avoid large boulders:
    我们在尘士飞扬的道路上颠簸，车子东拐西弯，以躲开那些大圆石。

7. And I never can keep track of how many months old he is.”
    而且我从来都记不住他有几个月大。"

8. People also enjoy the excitement of climbing mountains or of riding in a boat on a river that is moving very quickly or of racing in a car around a track.
    从登山中，从在湍急的河流里扬帆荡桨中以及从竞技车赛中人们获得刺激。

9. Clerks in stores followed our track to watch our every move.
    商店营业员紧紧地跟着我们、监视着我们的一举一动。

10. On a race track?
    在赛车道上吗？