second language acquisition編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看second language acquisitionsecond language acquisition — 名詞名詞1. the process of learning a language after one's first language1.名詞釋義第二語言習得the process of learning a language after one's first language例句She studies second language acquisition to improve her teaching methods.