（在其中一项测试条件下），我们给狗狗展示新面孔，它们之前从未见过这些人脸，”胡贝尔教授接受英国广播公司采访时说。
"[In one test condition], we showed them new faces - faces they've never seen before, " Prof Huber told BBC News.
（在其中一项测试条件下），我们给狗狗展示新面孔，它们之前从未见过这些人脸，”胡贝尔教授接受英国广播公司采访时说。
"[In one test condition], we showed them new faces - faces they've never seen before, " Prof Huber told BBC News.
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