| 释义 |
gru.ell.ingAm usually gru.el.ing HgrJE7lIN, $5grU:7lINadjextremely tiring and difficult, and demanding great effort and determination累垮人的;使人精疲力竭的They have just completed a gruelling 500-mile journey across the desert.他们刚完成一次令人精疲力竭的长达500公里的穿越沙漠的旅行。Junior doctors often have to work a gruelling 100-hour week.初级医生经常不得不每周精疲力竭地干上100个小时。She eventually won the match after five gruelling sets.经过五轮精疲力竭的比赛，她最终赢得了比赛的胜利。
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