seeing eye

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释义
导盲犬
A trademark for a dog trained to lead a blind or visually impaired person.

例句
Phoebe:If you had to,which one would you rather eat, a seeing eye dog or a talking gorilla?（Friends）
菲比：如果你必须吃一个动物的话，你是宁可吃一只导盲犬，还是一只会说话的大猩猩。（老友记）