Hierarchization
[医]等级化
🗣️ 情景例句
Drive carefully.
开车时小心。
If the old dog barks, he gives counsel.
如果老狗叫，他是给忠告。
A bar of Chocolate.A bottle of milk.A pound of sugar.
一块巧克力、一瓶牛奶、一磅糖、