Word: 研发 (yánfā) Traditional: 研發 研发 dictionary entry yánfā research and development; to develop Full dictionary entry for 研发 Example sentences using 研发 2 sentences, showing page 1 of 1. 他们正在研发新的手机。 Tāmen zhèngzài yánfā xīn de shǒujī. They are developing a new phone. 我哥哥在一家汽车公司做研发。 Wǒ gēge zài yìjiā qìchē gōngsī zuò yánfā. My older brother works in research and development at a car company.