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うつ伏せに

face down

→ うつ伏せ
phrase Rare #34,432
face down Describes someone lying, falling, or being positioned with their front facing downward.
JA: うつ伏せに寝ないでください。
EN: Please don't sleep face down.

うつ伏せになれ

Lie face down.

— es［エス］ (2001)

彼女はベッドの上にうつ伏せに倒れていた。

She was lying face down on the bed.