研发 yánfā HSK6 R&D Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 我决定用我的知识来研发一种替代产品。 wǒ juédìng yòng wǒde zhīshi lái yánfā yīzhǒng tìdài chǎnpǐn. I decided to use my knowledge to develop an alternative product. Source: CCMatrix