-----------------------------------
今日, きょう, こんにち, こんち, こんじつ
1. today, this day
2. these days, recently, nowadays
今天
-----------------------------------
清々しい, 清清しい, すがすがしい
1. refreshing (e.g. feeling, scene, wind, morning air), brisk, bracing, fresh, refreshed
清爽(如感觉、场景、风、晨间空气)、清爽宜人、令人精神振奋、清新、焕然一新
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题;表示与另一选项(无论是否明确提及)形成对比;表示强调