de·vel·op·men·tal
adjective/dɪˌveləpˈmentl/
/dɪˌveləpˈmentl/
- in a state of developing or being developed
发育中的；进化中的；开发中的 - The product is still at a developmental stage.
这种产品仍处于研制阶段。
- The product is still at a developmental stage.
- connected with the development of somebody/something
发展的；成长的；进化的 - developmental psychology
发展心理学
- developmental psychology