研制
yán​zhì HSK4

to research and develop

yán​zhì to research and develop · research and development
  1. 研 yán nounverb
    to study
    (bound form) To research; to study or investigate thoroughly
  2. 制 製 zhì verb
    to manufacture
    (bound form) to make; to manufacture; to create

yán​zhì to grind into medicine
  1. 研 yán verb
    to grind
    To grind fine; to pulverize or crush into powder.
  2. 制 製 zhì verb
    to manufacture
    (bound form) to make; to manufacture; to create