petro-
pronunciation
How to pronounce petro- in British English: UK [ˈpetrəʊ]
How to pronounce petro- in American English: US [ˈpetroʊ]
pronunciation
How to pronounce petro- in British English: UK [ˈpetrəʊ]
How to pronounce petro- in American English: US [ˈpetroʊ]