cryogenic weathering

例句：

1. 1. The cryogenic chamber was designed to keep samples at extremely low temperatures.
   这个低温室被设计用来保持样本在极低的温度下。
2. 2. The scientist used a cryogenic freezer to preserve the sample for future analysis.
   科学家使用一个低温冷冻器来保存样本以便将来分析。
3. 3.The cryogenic process is crucial for the preservation of delicate biological specimens.
   低温处理对于保存脆弱的生物标本至关重要。