call button
US /ˈkɑːl ˌbʌt.ən/
UK /ˈkɑːl ˌbʌt.ən/
1.
nút gọi, nút chuông
a button that you press to call someone or something, for example, a lift or a flight attendant
:
•
Press the call button if you need assistance.
Nhấn nút gọi nếu bạn cần hỗ trợ.
•
She pressed the call button for the elevator.
Cô ấy nhấn nút gọi thang máy.