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
Where was the house?
房子在什么地方？
Can we make the 5:30 train?
我们能赶上5:30的火车？
My name is Sun Huimin.
我叫孙辉民。