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step-up transformer
stepbrother stepchild stepdame stepdaughter stepfather stephanite stephanotis stepless stepmother stepmotherly stepney stepparent steppe stepped stepping stepping-stone stepsister stepson stepwise Stepwise regression steradian stercoraceous stercoral stere- stere stereo stereoacoustics stereoautograph stereobate |
step-up transformer /'step'ʌptræns'fɔ:mə/
danh từ
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