2 文書を見つけるための辞書。

• native language
• 母語
• the language that a person has spoken from earliest childhood
• 人が幼児期から話してきた言語

• maternal language, mother tongue, first language
• 母語, 母国語
• one's native language; the language learned by children and passed from one generation to the next
• 人の母国語