booster seat

US /ˈbuː.stər ˌsiːt/
UK /ˈbuː.stər ˌsiːt/
"booster seat" picture
1.

부스터 시트, 어린이용 보조 시트

a seat that is placed on an ordinary chair to make a child high enough to sit comfortably at a table, or a seat for a child in a car that raises them to the correct height for the seatbelt

:
We need to buy a new booster seat for our growing child.
성장하는 아이를 위해 새 부스터 시트를 사야 해요.
Always make sure the booster seat is properly installed in the car.
부스터 시트가 차에 제대로 설치되었는지 항상 확인하세요.