Long hours of arduous hiking tired the scouts.
长时间艰苦跋涉把这些童子军给
。
Long hours of arduous hiking tired the scouts.
长时间艰苦跋涉把这些童子军给
。
The refugees made an arduous journey through the mountains.
难民们艰难地越过高山。
Her delicate constitution disincline her from such an arduous job.
她纤弱体质使得她不欲担任如此艰钜
工作。
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