You’ll notice that the highest point of the ride is always earliest in the track.

你会注意到整个乘坐过程中的最高点往往就是整条轨道最开始的部分。

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These layers and be added or removed dynamically and you can change each layer as it has a track that lets you change it as a function of time by inserting keys at certain frames in the track.

这些层可以被动态的增加或删除，你也可以对这些层进行改动，因为每层都有一个轨道，你可以在轨道中的特定时间点加入关键帧到达改变动画的目的。

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The United States won most of the track and field events. Similarly, in swimming, the top three places went to Americans.

美国队赢得了田径比赛大多数项目的胜利。同样，在游泳方面，美国人也囊括了前三名。

《牛津词典》

Her love songs also seem more adult in subject, like the title track to the new album, "Can't Be Tamed."

VOA: special.2010.08.06

So that's where it's easy to get lost, but let's see if these lines in the picture help us stay on track.

这就是容易迷惑的地方，下面看看,这幅图中的这些线能否帮助我们追踪。

哈佛公开课 - 计算机科学课程节选

The laugh track makes things a lot funnier because people laugh a lot more when they're in groups.

笑声音轨让影视内容更好笑,因为如果有一大群人在笑，人们会更容易笑。

耶鲁公开课 - 心理学导论课程节选

Helicopters land in the track-and-field stadium behind the center, and ambulances stream in regularly.

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Ace is bent on revenge against former associates, and his plan includes an investment in the track.

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Usually there are some pretty interesting curves in the track that maybe no one saw coming and these will present opportunities.

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