developmental /diˌvɛləpˈmɛntl̟/ adjective /diˌvɛləpˈmɛntl̟/
adjective
Learner's definition of DEVELOPMENTAL
1
: of or relating to the growth or development of someone or something生长的；发展的 -
A drop in temperature can slow the plant's developmental process.温度的下降能减缓植物的生长过程。
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developmental biology/psychology发展生物学/心理学
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a child with developmental abnormalities/defects/disabilities/problems发育异常/缺陷/残疾的儿童
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My theory is still in its developmental stage.我的理论还处于发展阶段。
2
: designed to help a child grow or learn促进儿童生长（或学习）的