问题描述：
一个 史上巨难 翻译 的英语句子-----------不是高手勿进
When slightly older babies were shown cards with pictures of objects（a comb, a key, an orange and so on）, changing the number of objects【 had an effect separate from changing the objects themselves】.
请重点翻译【】里的部分,谢谢
When slightly older babies were shown cards with pictures of objects（a comb, a key, an orange and so on）, changing the number of objects【 had an effect separate from changing the objects themselves】.
请重点翻译【】里的部分,谢谢
问题解答：
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