Underclassification
降低货物等级
🗣️ 情景例句
It's my private affair.
这是我私人的事。
Whom will you play with?
你将和谁一起玩？
We realized that they must have become unduly frightened by the rising flood,
我们意识到他们一定是被不断上涨的洪水吓坏了。