underexposed

1. The child was underexposed to language.
这个孩子对语言曝光不足。

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2. One normal exposure, the second underexposed and the third overexposed.
一张普通曝光,第二张低曝光和第三张高曝光。

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3. One normal exposure, the second underexposed and the third overexposed.
一张普通曝光,第二张低曝光和第三张高曝光。

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