This page teaches controlled sound targets from our reviewed catalogue. It does not claim one universal whole-word IPA transcription: the sounds in a word can vary by speaker and target variety.
Reviewed sound focuses
/ɜː/
Received Pronunciation (British)
British NURSE vowel: long, central, and non-rhotic. Keep the tongue relaxed and do not add /r/.
Common slip: No universal substitution is claimed; compare the recording with the target-accent reference.