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 don't know what-to do.
我不知道怎么做。
Wisdom is more to be envied than riches.
才智比财富，令人更可羡。
Even in his philosophical probings he cannot go behind these stereotypes;
人甚至在哲学领域的探索中，人们也无法超越这些定型的框框。