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
I'm thinking of ordering 100 sets. But one problem-
我正考虑定购一百台，只是一个问题-
I driank a cup of tea.
我喝了一杯茶。
I'm sorry, but we have a problem here.
对不起，我们有困难。