idea

import subprocess

texts = [{'text':"hola", 'lang':'es'},
    {'text':"hello",'lang':'en'},
    {'text':"你好",'lang':'zh'},
    {'text':"disfruta este audio",'lang':'es'},
    {'text':"enjoy this audio",'lang':'en'},
    {'text':"享受这个音频",'lang':'zh'},
    {'text':"aprende un nuevo idioma",'lang':'es'},
    {'text':"learn a new language",'lang':'en'},
    {'text':"学习一门新的语言",'lang':'zh'}]


voices = {}
voices["zh"] = "Ting-Ting"
voices["es"] = "Monica"
voices["en"] = "Alex"

for segment in texts:
    print(segment["lang"])
    print(segment["text"])
    voice = voices[segment["lang"]]
    subprocess.call(["say", "-v", voice, segment["text"]])
    print("------")