第二外语英文

second foreign language 第二外语first foreign language 第一外语foreign languages 外语，相对与 native language/monther tongue母语来说的

second foreign language例句：英语已经成为名副其实世界范围内的第二外语。English has become the de facto second language for the world.

the first foreign languagethe second foreign language很简单，只需要给解释一下中国学习外语有主要外语和次要外语之分就可以了。

second foreign language

second foreign language第二外语

second foreign language.