Efforescence
渗斑; 泛碱
🗣️ 情景例句
How're you doing, fellas?
你们怎么样了， 各位？
How much paint did you want to order?
你要订购多少油漆？
I'll have to stay at the office.I don't know when I'll finish.
我不得不留在办公室，不知道什么时候才能结束。