Rarefaction
n. 稀薄化, 稀薄\\n[医] 稀疏[状态], 疏松[状态]
✅ 同义词
🗣️ 情景例句
Four will be good.
4只应该够。
I hope the weather there is cold enough.
我希望那儿天气够冷。
she was more richly carved and ornamented than any previous ship.
它比以往任何船只雕刻得都更加精美，装饰得都更加华丽。