Underclassification
降低货物等级
🗣️ 情景例句
I suppose I could call him.
我想我可以打电话给他。
What's the height of the building?
这座楼有多高？
I'll get another one now, said her mother.Don't worry.
“我这就再去拿一支，”她妈妈说，“别担心。”