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junior college; vocationally oriented two or three year post-secondary education institution
姉は短大で幼児教育を専攻している。
My older sister is majoring in early childhood education at junior college.
短大を卒業してすぐに保育士になった。
I graduated from junior college and immediately became a nursery school teacher.
四年制大学ではなく短大を選んだ理由を聞かれた。
I was asked why I chose junior college instead of a four-year university.