Definition

• adj. having a lot of industry and a high standard of living
• adj. fully grown

Example

Scientists developed a new vaccine after years of careful research.

科学家们经过多年细致的研究，研发出了一种新疫苗。

Word familydevelop-

n.

developmentL1developerL4redevelopmentL5

v.

developL1

adj.

developingL4developmentalL5underdevelopedL5undevelopedL6

adv.

developmentallyL6