first language
柯林斯詞典
1. N-COUNT Someone's first language is the language that they learned first and speak best; used especially when someone speaks more than one language. 母語(yǔ)
返回 first language
first language (first languages)
劍橋詞典
- the language that someone learns to speak first
母語(yǔ)，第一語(yǔ)言 返回 first language