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I'd say that there is a slight difference between the US and UK pronunciation of the word. The first syllable of Europe in British English is generally pronounced with the diphthong // while in American English it is simply with the vowel //. The diphthong // is a characteristic of British...

I think this is another US/Brit division.There are three diphthongs / / that are found only in British English. American English in corresponding places would have a simple vowel followed by /r/ so vary in BrE is pronounced // while in AmE it is either // or //.