mother tongue

漢語翻譯

英文解釋：

名詞 mother tongue:

1. one's native language; the language learned by children and passed from one generation to the next
   同義詞：maternal language, first language

例句：

1. His mother tongue is Spanish.
   他的母語是西班牙語。
2. English is her mother tongue.
   英文是她的母語。