develop
/dɪˈveləp/verb
(developed, developing)
1
- grow or cause to grow and become more mature, advanced, or elaborate（使）成长, 发育; 发展：
no obj. motion pictures were to develop into mass entertainment电影后来发展成了一种大众娱乐
as adj. developing this is a rapidly developing field这是一个飞速发展的领域
with obj. enabling individuals to develop their personal skills.使个人得以提高自己的技能。
1.1
- no obj. [often as adj. developing](of a poor agricultural country) become more economically and socially advanced（贫穷的农业国在经济和社会上）发展, 变得发达：
the developing world.
发展中世界。
1.2
- with obj. convert (land) to a new purpose by constructing buildings or making other use of its resources开发土地, 在土地上进行建设; 利用土地资源。
1.3
- construct or convert (a building) so as to improve existing resources（为更好利用资源）兴建（或改造）房屋。
1.4
- with obj. elaborate (a musical theme) by modification of the melody, harmony, or rhythm（修改旋律、和声或节奏以）展开（音乐主题）。
1.5
- with obj. Chess bring (a piece) into play from its initial position on a player's back rank【棋】出（子）。
2
- start to exist, experience, or possess产生; 感受; 具有：
no obj. a strange closeness developed一种奇特的亲密感开始出现
with obj. I developed an interest in law我对法律产生了兴趣
Aids victims often develop a rare type of cancer.
艾滋病患者往往会罹患某种罕见的癌症。
3
- with obj. treat (a photographic film) with chemicals to make a visible image使（摄影胶片）显影。
词源
mid 17th cent. （in the sense 'unfold， unfurl'）： from French développer, based on Latin dis- 'un-'' + a second element of unknown origin found also in ENVELOP.