建造潜艇的学生们聚集在马里兰州的海军水面作战中心来参加一次比赛以测试他们的工程技能- - -和在水下踩踏板的能力。

Student submariners gather at the Naval Surface Warfare Center in Maryland to compete in a race that tests their engineering skills-and ability to pedal under water.

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她参加了六次比赛，只败过一次。

She has been beaten only once in six starts.

《牛津词典》

去看场比赛或者当一次比赛志愿者吧，这样你就能感受下比赛的氛围，也能了解参加比赛大概会是个什么情况。

Go watch a race or offer to volunteer so you can experience the race atmosphere and get a better idea of what to expect.

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