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
That's OK.
没有关系 。
What will it be after the clear weather?
晴天以后天气会怎么样？
We are divided in our opinions.
我们意见分歧。