为期三天的野外训练对我们来说是一次极其艰苦的考验。

The three-day field training was a grueling challenge for all of us.

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The three-day field training was a grueling challenge for all of us.

grueling 是形容词,由动词 gruel(原指"用粥折磨",现已罕用)加后缀 -ing 构成,表示"极度消耗体力的、令人筋疲力尽的"。这个词强调持续高强度活动带来的身心疲惫感。

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