Rarefactions
(rarefaction 的复数) n. 稀薄化, 稀薄\\n[医] 稀疏[状态], 疏松[状态]
🗣️ 情景例句
What did they say?
他们说什么?
I think it's going to be too small.
我认为它将太小。
Is there much of a price difference.
价钱有很大的差别吗？