One day, we walked home very late. She sat at the bed edge and washed her feet. I went to the landlord for boiled water to make instant noodles.

有一次，记得很晚了，我们步行至临时的家，她坐在床沿洗脚，我去房东那里讨开水泡面。

youdao

She sat on the edge of her mother's bed.

她坐在她母亲的床边。

《柯林斯英汉双解大词典》

Lie precariously at the edge of the mattress and fume if you must, but lie in the same bed.

躺在床的边沿，摇摇欲坠，如果你一定要的话，可以发火，但要躺在同一张床上。

youdao

Laurence Meysy sat on the edge of the bed and lit a cigarette.

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He was sitting on the edge of the bed, bending to remove a sock.

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Daddy would sit on the edge of my bed, hold my hand and comfort me.

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Pura was sitting on the edge of the bed, holding her son, trying to look all worried.

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