Rarefaction
n. 稀薄化, 稀薄\\n[医] 稀疏[状态], 疏松[状态]
✅ 同义词
🗣️ 情景例句
How can I forget?
怎么忘得了?
Keeping is harder than winning.
创业不易，守业更难。
and its owner his or her full intelligence;
和智力还有待发展和完善，