rough and tumbling
present participle of rough and tumble
(England, dialectal, rare) To chatter (to talk or make noise) or chuckle.
(mathematics) A mathematical problem where one must determine how many grains of wheat are on a chessboard, assuming one grain of wheat is placed on the first square, and each subsequent square hav...
plural of Wood's lamp
近所の子どもたちはスプリンクラーの中でじゃれ合って転げ回り、水をあちこちにかけていた。
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DiQt
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