坚定的前进者尽管也有停歇的时候，却勇往直前。——赫伯特。

Firm along while also have a rest, but go forward.

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批评者还指出，在中生代期间，浅海通道曾多次从陆地退回，又向陆地前进。

Critics also point out that the shallow seaways had retreated from and advanced on the continents numerous times during the Mesozoic.

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根据大多数计算结果，竞走者以每小时6英里的速度前进时，每小时会燃烧大约800卡路里，尽管比跑步时燃烧的热量要少，但这大约是他们走路时燃烧热量的两倍，跑步时每小时可能会燃烧大约1000卡路里或更多。

According to most calculations, race walkers moving at a pace of six miles per hour would burn about 800 calories per hour, which is approximately twice as many as they would burn walking, although fewer than running, which would probably burn about 1,000 or more calories per hour.

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