Much of the focus of this education was on the recognition o

Much of the focus of this education was on the recognition of vitamin deficiency symptoms.
分析后半句was后市怎么回事,名词连用?
yanlei_019 1年前 已收到1个回答 举报

ZQDLL 幼苗

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这种教育的焦点大部分是因为确认维生素缺乏症状的存在.
即:因为有了维生素缺乏症状的存在,于是进行这种教育.

1年前

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