door·bell 
(dôrbĕl′)
(dôrbĕl′)n.
A bell, chime, or buzzer outside a door that is rung to announce the presence of a visitor or caller.
| 单词 | doorbell |
| 释义 | door·bell (dôrbĕl′)n. A bell, chime, or buzzer outside a door that is rung to announce the presence of a visitor or caller. |
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