efflorescence
noun [ U ] uk/ˌef.ləˈres.əns/ us/ˌef.ləˈres.əns/
biology specialized开花;开花期
the period when flowers start to appear on a plant
literary(艺术等的)发展,繁荣;(尤指艺术等发展的)全盛期
the production of a lot of art, especially of a high quality