数時間 (すうじかん) — a few hours; several hours; a couple of hours
数時間
す う じ か ん
A few hours; several hours; a couple of hours
彼
らは
数時間働
きつづけた
。
They went on working for hours.
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数時間 (すうじかん) — a few hours; several hours; a couple of hours
