pyrotechnics
/ˌpaɪrəʊˈteknɪks/plural noun
1- a firework display烟火的施放, 放烟火。
1.1
- usu. with adj. or noun modifier a brilliant performance or display, especially of a specified skill（尤指需要特定技术的）出色表现, 炫示：
he thrilled his audience with vocal pyrotechnics.
他出色的口才表现使观众叹为观止。
1.2
- treated as sing. the art of making or displaying fireworks烟火制造（或施放）术。