development/dɪ'veləpmənt/

n.

➊ the process of becoming larger, stronger, or more important

➋ the process of developing sth new

n. [U]

➊ 发展，发达，发育：child development 儿童的发育

◇economic development 经济发展

◇[development of sth] the development of our relationship 我们之间关系的发展

➋ 开发：The company spent $200 million in research and development last year. 该公司去年在研发上花费了两亿美元。

◇product development 产品研发

构词develop + -ment