Ddh
abbr. diamond-drill-hole 金刚石钻钻孔; dichlorodimethylhydantoin 二氯二甲海因，二氯二甲基乙内酰胺
🗣️ 情景例句
Here are the fliers, hot off the press!
传单来了， 刚刚印出来的！
The remembrance of past sorrow is joyful.
记住过去的不幸使人愉快。
It's a pencil-box.
一只铅笔盒