efflorescence/ˌeflɔ:ˈresns; ˌɛflɔ`rɛsns/ n[U](fml esp fig 文, 尤作比喻) action or time of bursting into flower 开花; 花期 a period of great efflorescence in the arts 艺术的全盛时期.
牛津英汉双解词典