No, it is not possible to pronounce all languages with the same sound. Every language has its own unique set of sounds, known as phonemes, which are used to construct words and convey meaning. These phonemes can vary significantly from one language to another.
Different languages have different phonetic inventories, including different consonants, vowels, and even tonal distinctions in some cases. These phonetic variations are essential for distinguishing words and conveying meaning within each language. For example, the "r" sound in English is quite different from the "r" sound in French or Spanish.
Pronunciation is a product of a language's phonetic system, and native speakers of a language develop specific articulation patterns and habits that enable them to produce the distinctive sounds of their language accurately. Attempting to pronounce all languages with the same sound would require disregarding the phonetic differences between languages, which would result in incorrect pronunciation and potential misunderstandings.