单词	pirarucu
释义	pi·ra·ru·cu (pĭ-rär′ə-k) n. See arapaima. [Portuguese pirarucú, from Tupí pirá-rucú : pirá, fish + urucú, red.]
随便看	Down syndrome down the drain down the hatch down the line down the road down the tube down the tubes down the tubes/tube down the wind downtick downtime down-to-earth down to the wire downtown downtrend downtrodden downturn down under downward downwardly downwash downwind down with downy downy brome

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