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
Mm-hmm, hmm, uh-huh.
Mm-hmm,hmm,uh-huh。
Don't make trouble.
别惹麻烦！
That's bullshit!
废话！