hearing dog
柯林斯詞典
1. N-COUNT Hearing dogs are dogs that have been specially trained to help deaf people. (經(jīng)過專門訓練爲聾人提供幫助的)助聾犬
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1. N-COUNT Hearing dogs are dogs that have been specially trained to help deaf people. (經(jīng)過專門訓練爲聾人提供幫助的)助聾犬