第だい二に外がい国こく語ご

noun

second foreign language

Refers to a foreign language studied in addition to one's first foreign language, typically in an academic context.

• 大だい学がくでは英えい語ごの他ほかに第だい二に外がい国こく語ごとしてフランス語ごを選えらんだ。

  At university, besides English, I chose French as my second foreign language.