"Des recherches approfondies" in French is the translation of English "Extensive research" (find more translations on these pages: "Extensive research in Different Languages" and "Extensive research in French").

Des recherches approfondies pronunciation: If you want to know how to pronounce des recherches approfondies in French (that is, how we say "Extensive research" in French), you will find the audio pronunciation below.

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Here is the French pronunciation of the word des recherches approfondies:
French (Canada), female
French (Canada), male
French (France), female
French (France), male