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单词 bu 释义 ▪ I. † bu, n. Obs. rare—1.[perh. ad. ON. búi dweller, *hel-búi hell-dweller: but cf. the interj. boo; also bogle-bo under bogle.]c1300K. Alis. 5956 He..spaak als an helle bu.▪ II. buobs. or dial. f. bow n.4, be v., buy.▪ III....