call button
US /ˈkɑːl ˌbʌt.ən/
UK /ˈkɑːl ˌbʌt.ən/
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。