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》

You'll automatically be on the right heart-healthy track if vegetables, fruits and whole grains make up three quarters of the food on your dinner plate.

如果你的餐盘里有四分之三的食物都是蔬菜、水果和全谷类食品，那么你就自动走上了有益心脏健康的轨道。

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The entire sound track consists of three essential ingredients: the human voice, sound effects and music.

整个音轨由三个基本要素组成：人声、音效和音乐。

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Adding to the intrigue, the track itself had produced super-fast times through the first three days of track-and-field competition.

WSJ: Menu

It can also record in bursts of three images to track fast-moving objects, or make time-lapse recording, taking a photos automatically anywhere from once a minute to once every 24 hours.

FORBES: Ten O'Clock Tech: New Digital Camera Uses Tiny Memory Card

Pittsburgh built a three-goal lead, and Marc-Andre Fleury seemed on track for a shutout, but New York rallied to get within one before falling short in a 4-2 loss on Tuesday night.

WSJ: Penguins hold off Isles despite 3rd-period rally