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
Oh, well, that would be very nice.
噢， 好吧， 那倒很好。
What a coincidence!
真巧！
Every time a worker gave up his job, he told the same story.
每次雇工辞职后都叙述着同样的故事。