One day, they accidentally heard on the radio the story about the dolmens on the Caucausus and decided to go there.

有一天，他们偶然从收音机里听到了有关高加索石室冢墓的故事，于是决定去那里。

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But one day they accidentally heard on the radio the story about the dolmens on the Caucausus and decided to go there.

偶然的一天，他们在广播里听到了关于高加索地区石棚的故事，好奇的他们决定去那里，一探究竟。

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Pranks performed on April Fool's Day range from the simple, (such as saying, "your shoe's untied, or I accidentally stepped on your glasses!"), to the elaborate.

愚人节的恶作剧既有简单的(比如对人说，“你的鞋子不整齐”，或者“我不小心踩到了你的眼镜！”)，也有精心制作的。

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One day,his sister,Clara, spilled oil on her dress and accidentally set herself on fire.

VOA: special.2010.06.13

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To this day, Horwitz accidentally calls Hernandez once a month, for reasons unknown to both men.

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