"106480396"@en-us . "one's native language; the language learned by children and passed from one generation to the next"@en-us . . "0"^^ . . "105168195"@en-us . . . . . "0"^^ . . . "106904748"^^ . . "maternal language"@en-us . . "06904748-n"^^ . "first language"@en-us . "mother tongue"^^ . . "mother tongue"@en-us .