high-temperature brittleness

例句：

1. 1. The material is highly susceptible to temperature changes.
   这种材料对温度变化非常敏感。
2. 2.The metal has high-temperature brittleness, which makes it prone to cracking.
   金属具有高温脆性，这使其容易发生裂纹。
3. 3.The research focused on the high-temperature brittleness of the materials under extreme conditions.
   研究专注于在极端条件下材料的高温脆性。