"officer's servant," originally military title for "man in charge of a bat-horse and its load," 1755, from bat "pack-saddle" (late 14c.), from Old French bast (Modern French bat), from Late Latin bastum (see baton). Hence also batwoman (1941). The comic book hero dates from 1939.
例文
1. millions of pounds 'worth of Batman merchandising
数百万ポンド相当の『バットマン』の派生商品
2. Batman and his young sidekick Robin
バットマンと彼の若きアシスタントロビン
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3.Megastars like Jack Nicholson,who made$500 million from Batman alone,are unlikely to be affected.