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
OK. Let's pick up the pace.
好 把节奏加快一些。
He is having a nightmare.
他在做着噩梦。
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？