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出典:Wiktionary
From water + rat. Compare Saterland Frisian Woaterrotte, West Frisian wetterrôt, Dutch waterrat, German Low German Waterrötte, Waterrött, German Wasserratte, Danish vandrotte, Swedish vattenråtta, Icelandic vatnsrotta.
water rat (複数形 water rats)
water-rat (複数形 water-rats)
water rat