Hcb
abbr. hard-covered book 精装书; hard-core base 核心基地; hollow concrete block(s) 空心水泥砖; heating and cooling of buildings 建筑物的保暖和降温
🗣️ 情景例句
Frankly,
坦白地说，
Whatever's convenient for you.
你方便就好。
Not today. Come back tomorrow!
“今天不行，明天再过来吧！”