develop/dɪ'veləp/

v.

➊ (cause sth to) grow or change into a larger, stronger or more important form

➋ think of and make a new idea or product

➌ make a photo out of a photographic film using chemicals

v.

➊ [I; T] （使）发展；（使）发达；（使）发育：His baby is developing normally. 他的婴儿发育正常。

◇develop one's skills 锻炼技巧

◇[develop (sth) from sth¹ into sth²] The place has developed from a small village into a big city. 这个地方从小村庄发展成为一个大城市。

➋ [T] 研发，开发：develop a new drug 研发新药

◇develop software开发软件

➌ [T] 冲洗（照片）：I had our holiday photos developed yesterday. 我昨天把我们假期里拍的照片拿去冲洗了。

构词de（反向）+ velop（包裹起来）→打开…让其发展

同根 envelope

音组-op/-əp/

bishop; develop

用法可用develop的分词表达一个国家的发展程度，如：a developing country 发展中国家

◇a developed country 发达国家