他那封在凌晨三点冲动发出的辞职邮件，是他后来深深后悔的决定。
His impetuous resignation email, sent at three in the morning, was a decision he later deeply regretted.
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解释
impetuous 是形容词，表示'冲动的、未经深思熟虑的'，形容情绪驱使下仓促做出的决定。
His impetuous resignation email, sent at three in the morning, was a decision he later deeply regretted.
impetuous 是形容词，表示'冲动的、未经深思熟虑的'，形容情绪驱使下仓促做出的决定。