研发
yánfā
research and development; R&D; to develop
Every meaning
yánfā
- to develop
- research and development; R&D
Its characters
- 研yánto research; to study (as in 研究)
- 发fāto send; to issue
Words with 研
Words with 发
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).