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
They say it's going to rain tomorrow.
据说明天有雨。
Have you got that?
你明白我的意思吗？
She is standing in the front of the bus.
她站在公共汽车的前部。