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
I won't insist, but I think it's in your own best interests to quit smoking.
我不会坚持，但我想戒烟对你自己有好处的。
We are not born for ourselves.
人生非为己。
What were you thinking?
你脑子进水啊？