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    首页/CEFR/C2/Vocabulary/US/stumble ·phrasal verb/stumble ·phrasal verb

我在清理书桌时偶然发现了这些照片。

I ___stumbled ___across these photographs while I was cleaning out my desk.

经过数月浏览房产网站和周末看房,我们终于在薰衣草路偶然发现了这座惊人的排屋末端房屋。

After months of property website surfing and house-hunting over weekends, we finally ___stumbled ___upon this amazing end of terrace house in Lavender Road.

她在阁楼上偶然发现了一本旧日记。

She ___stumbled ___on an old diary in the attic.

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