This is the 10332nd most frequent Korean word.
교환학생으로
"As an exchange student."
In this sentence, '교환학생으로' indicates the capacity or status of 'as an exchange student' in which the subject of the sentence is traveling to Germany.
나는 교환학생으로 독일에 가기로 했어요.
I decided to go to Germany as an exchange student.
Here, '교환학생으로' signifies the context or role 'as an exchange student' during which the subject interacted and made friends.
교환학생으로 많은 친구를 사귀었어요.
I made many friends as an exchange student.
In this example, '교환학생으로' marks the source or basis 'as an exchange student' from which valuable experiences were derived.