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火災警報
noun
(firefighting) a fire alarm, a fire alert, a fire warning (a sound, not a device)
表計算
noun
spreadsheet - manual calculation of digits in the grids / (computing) spreadsheet - automatic calculation of digits in the grids by using computer.
夏の大三角形
name
(uranography) Summer Triangle - a bright asterism of the northern summer sky. Its corners are the stars Altair, Deneb, and Vega.
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