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 know about how business is done here.
我认为这方面比较在行。
He learns French every day.
他每天都学法语。
'I'll tell you where to get off.' answered the conductor.
“我来告诉您在哪儿下车，”售票员回答说。