Underclassification
降低货物等级
🗣️ 情景例句
Mike and I had a hamburger at the diner. Mike
和我在火车厢餐厅那里吃了汉堡。
Please show me the menu.
请把菜单给我。
Almost immediately he began to complain about the weather,
但紧接着他就开始抱怨那里的天气了。