hearing dog

基本解释

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.
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 dogs for the deaf can be invaluable to people with a profound hearing loss.
助听辅助犬对听力损伤严重的人有着巨大的帮助。
The dog kept a vigilant guard over the house.
这只狗警惕地守护着这所房屋。
I think the dog wants in I can hear it scratching at the door.
我看那条狗想进来－－我听见它抓门的声音。
When the dog team stands at the spiral shell mountain service station of the crossing through the west to go outing, have heard dog's cry overbearingly and strongly behind of service station.
当灭狗队经过西站路口的螺山加油站时，听到了加油站后面狂烈地狗叫声。