High levels of lead could damage the intellectual development of children.
高含铅量会损害儿童的智力发育。
Adequate levels of zinc are vital for a healthy baby's normal growth and development.
保持锌地充足水平对一个健康小孩地成长和发育十分重要。
We locate our study in six Asian countries at different levels of institutional development.
我们找到我们的研究在六个亚洲国家，在不同的体制建设水平。
We locate our study in six Asian countries at different levels of institutional development.
我们找到我们的研究在六个亚洲国家，在不同的体制建设水平。
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