首页英语词典precursorprecursor英英释意

precursor

英[prɪ'kɜːsə] 美[pri'kɝsɚ]
  • n. 先驱,前导

英英释意


1. a substance from which another substance is formed (especially by a metabolic reaction)
2. a person who goes before or announces the coming of another
3. an indication of the approach of something or someone