长跑后，他的腿很虚弱。
His legs were weak after the long run.
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weak英 /wiːk/|美 /wik/
解释
weak 是形容词，意思是"虚弱的、无力的"，描述缺乏力量或能量的状态。
His legs were weak after the long run.
weak 是形容词，意思是"虚弱的、无力的"，描述缺乏力量或能量的状态。
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