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
That sounds really attractive.
听起来很有吸引力。
I'm fine, and you?
我还好，你呢？
Who won the girls' 400 metres?
女子400米赛跑谁获胜？