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
I watched the film and cried throughout.
我看那部电影时从头哭到尾。
In university, students are trained to become doctors and nurses.
大学的学生被训练成为医生和护士。
OK.
好吧！