... cell development 释义:细胞发育 development speech 释义:语言发育 bone development 释义:骨发育 ...
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President Obama discussed American development plans in his Middle East policy speech last week at the State Department.
VOA: special.2011.05.27
"We think the very first processes of language development are actually starting in the womb because they are overhearing their mother's speech."
VOA: standard.2010.05.05
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