Rarefication
n. 变稀薄, 稀薄
🗣️ 情景例句
My mom's decorating it right now.
我妈妈正在淋奶油。
Who has never tasted bitter, knows not what is sweet.
不尝黄连苦，怎知蜂蜜甜。
How much did you want to increase your order.
你的订量要增加多少？