that's an apron+string
that a
pro:dem det:art
that's an apron string .
ð æ t s WORD_BOUNDARY ɐ n WORD_BOUNDARY eɪ p ɹ ə n WORD_BOUNDARY s t ɹ ɪ ŋ WORD_BOUNDARY
t h a t ' s WORD_BOUNDARY a n WORD_BOUNDARY a p r o n WORD_BOUNDARY s t r i n g WORD_BOUNDARY