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Well, you could put a baby down, have a picture of a dog here, a picture of a cat here, and see which one the baby looks at.
你可以抱来一个婴儿,在这里呈现一张狗的照片,在这里呈现一张猫的照片,然后观察婴儿会看哪一张照片
应用推荐
$firstVoiceSent
- 来自原声例句