first order language一阶语言
The First Foreign Language第一外国语
first generation language第一代语言
First English Language School雇主
first foreign language第一外国语
first t language母语
the first chinese language class第一堂汉语课
The first foreign language jobs第一次外语作业
First Language Acquisition(FLA)is a very important issue in linguistics.
母语习得问题是语言学的重要问题。
参考来源 - 中国儿童对C原则的习得N-COUNT(可数名词) Someone's first language is the language that they learned first and speak best; used especially when someone speaks more than one language. 母语