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speed-reducer
speed trap speed-up speed-up system speeder speedily speediness speeding speedo speedometer speedomiter speedster speedway speedwell speedy speer speiss spelaean spelaelogical spelaelogy spelaeology speleological speleologist speleology spelican spelicans spell spell-down spellbind spellbinder |
speed-reducer /'spi:dri'dju:sə/
danh từ
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