About the pronunciation "r" in Portuguese.
Ex: rua, the "r" is pronounced like "h" or "r" (trilled)
About the pronunciation "r" in Portuguese.
Ex: rua, the "r" is pronounced like "h" or "r" (trilled)
If you just want to check the pronunciation of a letter in a given word, it's simplest to look it up in a dictionary with audio and/or phonetic transcription (or even google "word Portuguese pronunciation" without quotes). For instance, Infopédia for foreigners provides an audio and phonetic transcription (ˈʀuɐ — you'd of course have to familiarize yourself with the phonetic alphabet used by your source).
As for the "r" in "rua", I pronounce it more like the "h" in "high". Now, if this is just a random example and you're actually interested in learning pronunciation in Portuguese in general, it's best to go through some appropriate learning material — and come back to us for concrete questions.
It's similar to the H pronunciation from Human.