Umhk
abbr. Union Miniere du Hast Katanga （法语）<扎伊尔>上加丹加矿产联合会
🗣️ 情景例句
My professor will grade this exam on a curve.
我的教授用曲线系统打分。
In secondary school, children study history and geography.
中学的小孩会读历史和地理。
However, they have decided to use the post office.
然而她们还是决定利用邮局。