platyyoudaoicibaDictYouDict[platy 词源字典]
"A small live-bearing freshwater fish of Central America, which is popular in aquaria", Early 20th century: colloquial abbreviation of modern Latin Platypoecilus (former genus name), from Greek platus 'broad' + poikilos 'variegated'.[platy etymology, platy origin, 英语词源]