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Well, put a pretty face here, an ugly face here, see if the baby prefers to look at the pretty one.
在这边放一张漂亮的脸庞,在这边放一张丑陋的脸庞,观察婴儿是否更喜欢注视漂亮的那个
应用推荐
$firstVoiceSent
- 来自原声例句