prebilabialWiktionary 原文英/ˌpriːbaɪˈleɪbɪəl/美/ˌpriːbaɪˈleɪbiəl/构词拆解prepre-前缀bilabialbilabial词干pre-Before; physically in front of. · Before; earlier in time; beforehand.词源说明From pre- + bilabial.释义形容词adjective1of a speech soundOccurring immediately before a bilabial consonant, i.e. before /m/, /p/, /b/, /ɸ/, /β/, /β̞/, /ʙ/, or /ʘ/.