call button
US /ˈkɑːl ˌbʌt.ən/
UK /ˈkɑːl ˌbʌt.ən/
1.
呼叫按鈕, 召喚按鈕
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.
如果您需要幫助，請按呼叫按鈕。
•
She pressed the call button for the elevator.
她按下了電梯的呼叫按鈕。