doorbell 的英语意思
doorbelldoorbell /ˈdɔːbel $ ˈdɔːr-/ noun [countable] 
查看全部语言翻译 a button outside a house that makes a sound when you push it so that people inside know you are there安装在住宅门外的按钮，按下时发出声音，使室内人知道有人来访ring the doorbell (=push the button)（=按下按钮）
查看全部语言翻译 a button outside a house that makes a sound when you push it so that people inside know you are there安装在住宅门外的按钮，按下时发出声音，使室内人知道有人来访ring the doorbell (=push the button)（=按下按钮）