black brittleness

例句：

1. 1. The black brittleness of the ice made it difficult to walk on.
   冰的黑色脆性使得走路变得困难。
2. 2. The material is known for its black brittleness and high strength.
   这种材料以其黑色脆性和高强度而闻名。
3. 3.The black brittleness of the metal was due to its exposure to too much heat.
   金属的黑色脆性是由于暴露在过多的热量中造成的。