Hhd
abbr. 古典文学博士（Humanitatum Doctor, 等于Doctor of Humanities）
🗣️ 情景例句
Thank you.
谢谢 。
Never show the bottom of your purse or your mind.
钱包不露底，思想需保留。
We don't have enough material on hand to take care of this.
我们现在手边的存量不够你的订单。