developmental milestone

基本解释

Almost all children lie. It is a sign that they have reached a new developmental milestone.
孩子不會轉變成病理學意義上的“撒謊成性”，幾乎所有孩子都說謊，但這也是孩子達到一個新層次發展的裡程碑。
The emergence of theory of mind in children is a vital developmental milestone; some psychologists think that a failure to develop a theory of mind is a central component of autism.
兒童出現心理理論，是發展過程中的重大裡程碑。有些心理學家認爲，不能成功發展出心理理論，是孤獨症的主要特征。
The scientific concept of development is an innovative theory of development in contemporary China, the fourth milestone in the developmental theories since the founding of New China.
科學發展觀是儅代中國富有創造性的發展理論，是新中國成立以來的第四代發展觀。

One such technology — the V-22 tiltrotor — passed a critical developmental milestone last week, largely clearing the way for its entry into the Marine Corps and Special Forces inventories.
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