| 词汇 | professional development |
| 释义 | Definition of professional development in English:professional developmentnoun
OriginMid 19th century; earliest use found in Henry Tuckerman (1813–1871). Definition of professional development in US English:professional developmentnoun
OriginMid 19th century; earliest use found in Henry Tuckerman (1813–1871). |
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