second language acquisition的用法和樣例：
例句
- Interlanguage fossilization is an very important study field in second language acquisition.
中介語的僵化現象一直是第二語言習得理論的重要研究領域。 - This essay firstly illustrates the definition of transfer and the importance of mother language for second language acquisition.
本文首先對遷移的定義以及母語在第二語言習得中的重要性進行闡述。
