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
No way! I wouldn't touch that in any case. Don't push me!
绝不！我无论如何都不会去碰它，别逼我！
Would you like to leave a message?
你想留下一条消息吗？
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。