developmental

US /dɪˌveləpˈmentl/

UK /dɪˌveləpˈmentl/

B1 中級
adj.形容詞發展的
These developmental stages lead to adulthood

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從翻滾到行走--嬰兒如何學習移動 (From Rolling to Walking—How Babies Learn to Move)

05:51從翻滾到行走--嬰兒如何學習移動 (From Rolling to Walking—How Babies Learn to Move)