https://youtu.be/zN1-Q7biFw8 

“at”
1. 시설(물)
“Let’s meet at the bus stop.”
2. 이벤트
“I’ll see you at the party.”
“I met a lot of people at the conference.”

“in”
1. 공간
“I’ll meet you in the lobby.”
– in the bathroom
– in the bedroom
– in the pocket
– in the corner

“on”
1. 표면
– on the desk
– on the wall
– on the ceiling
– on the window
– on my shirt

2. 이동수단
“I saw her on the subway.”
“I’m on the elevator.”
“I’m on the bus right now.”

유튜브 채널 라이브 아카데미 토들러