that's called a backspace
that call a backspace
pro:dem v det:art n
that's called a backspace.
ð æ t s WORD_BOUNDARY k ɔ l d WORD_BOUNDARY ʌ WORD_BOUNDARY b æ k s p eɪ s WORD_BOUNDARY
t h a t ' s WORD_BOUNDARY c a l l e d WORD_BOUNDARY a WORD_BOUNDARY b a c k s p a c e . WORD_BOUNDARY