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
There just wasn't enough time.
实在是没有足够的时间。
There is a black sheep in every flock.
群群羊中有黑羊。
Did you get our packing specifications?
你收到我们的装箱说明书了吗？