call button

US /ˈkɑːl ˌbʌt.ən/
UK /ˈkɑːl ˌbʌt.ən/
"call button" picture
1.

呼叫按钮, 召唤按钮

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.
如果您需要帮助,请按呼叫按钮
She pressed the call button for the elevator.
她按下了电梯的呼叫按钮