back number
back of back out back out of back page back panel back-pay back-pedal back-plate back propagation back reference back resistance back-rest back scattering back scheduling back seat back-seat driver back-set back-slang back slang back-slap back slash back space = backspace back stroke back-talk back-to-back back-to-back diodes back-tracking method back-up back voltage |
back number /'bæk'nʌmbə/
danh từ
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