mother tongue

汉语翻译

英语解释：

名词 mother tongue:

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

例句：

1. His mother tongue is Spanish.
   他的母语是西班牙语。
2. English is her mother tongue.
   英语是她的母语。