他刚放下电话，门铃就响了起来。
训练过的犬提醒主人对如门铃，烟雾警报器和电话铃声这些重要声音提高警觉。
The trained canines alert their owners to important sounds, such as doorbells, smoke alarms and ringing telephones.
一部可视电话要比门铃好用多了，你可以直接看到谁在门外。
A video door phone provides more than a doorbell — you get a picture of who's at the door.
当我放下电话时，门铃响了。
我刚把电话放下，门铃就响了。
Just as I placed the telephone receiver down, the doorbell rang.
我刚把电话放下，门铃就响了。
Just as I placed the telephone receiver down the doorbell rang.
可视电话、可视门铃具有广阔的发展前景，其显像管电子枪属于关键部件。
The visible telephone and visible doorbell have wide application and bright prospects. The electron gun is one of the key components of the picture tube for visible systems.
两个闹钟都响了，电话也在催他快起，酒店的的工作人员也在按他的门铃，但是什么都办法把这个苏格兰人吵醒。
The alarms went off, the phone rang off its hook, hotel staff rang the bell on the door, but nothing could rouse the Scot.
让孩子模仿机械物品发出的声音，比如门铃的声音、电话的声音或者汽车引擎发出的声音；
Have her imitate the sounds of mechanical objects such as the doorbell, or the ringing of the phone, or the "vroom" of a car engine.
被训练成通过发出类似于电话铃或门铃声等信号，给聋子或听力受损者提供帮助的导聋犬。
Hearing dog: a dog trained to assist a deaf or hearing-impaired person by signaling the occurrence of certain sounds, such as a ringing telephone or doorbell.
如果门铃或者电话铃响，不应理采它或让宝宝去接听。
If the door bell or telephone rings, ignore it or take the baby with you to answer it.
她打电话给警察。我还在睡梦中，没有听到门铃响。
She called the police and I did not hear the doorbell because I was sleeping.
电话铃(门铃)在响。
电话铃(门铃)在响。
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