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backstairs
backstay Backstop technology backstreet backstroke backstrokeer backswept backtab backtalk backtrack backtracking backup backup copy backup device backup disk backup diskette backup file backup media backveld backward Backward bending supply curve of labour backward equation Backward intergration Backward linkage backward pointer backward search backward signal backward signaling backward substitution backward voltage |
backstairs /'bæk'steəs/
danh từ
tính từ
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