定期的身体锻炼对整体健康至关重要。

Regular ___physical exercise is essential for overall health.

训练后，他的外表发生了变化。

His ___physical appearance changed after the training.

在如此漫长的旅程中，有身体筋疲力尽的危险。

There is a danger of ___physical exhaustion on such long journeys.