单词	penguin
释义	penguinpenguin /ˈpɛŋgwɪn/ ●●○ noun [countable] Etymology ETYMOLOGYpenguin Origin: 1500-1600 Perhaps from Welsh pen gwyn white head a large black and white Antarctic sea bird, which cannot fly but uses its wings for swimming
随便看	ruin ruination ruined ruinous ruinously rule rulebook ruled ruler ruling rum rumba rumble rumble strip rumbling rumen ruminant ruminate rumination rummage rummage sale rummy rumor rumored rumormonger

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