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heat wave; intense heat
今年の炎暑は例年にない厳しさだった。
This year's heat wave was unprecedentedly severe.
炎暑の中で働く作業員の健康管理が重要だ。
Health management for workers laboring in the intense heat is important.
炎暑を避けて涼しい山間部へ避暑に出かけた。
We went to the cool mountainous area to escape the heat wave.