块状粗劣橡胶

例句：

1. 1. The car was fitted with a piece of blocky crude rubber.
   这辆车装配了一块块状粗糙的橡胶。
2. 2.The tire is made from blocky crude rubber.
   轮胎是由块状粗糙的橡胶制成的。
3. 3.Rubber is used in many products for its elasticity and durability.
   橡胶因其弹性和耐用性而被广泛用于许多产品中。