synthetic rubber

The soles of these boots are made from synthetic rubber, so they last longer in wet weather.

这双靴子的鞋底由合成橡胶制成，因此在下雨天更耐穿。

Many car tires use synthetic rubber because it resists heat better than natural rubber.

许多汽车轮胎使用合成橡胶，因为它比天然橡胶更耐热。

They developed a new type of synthetic rubber for the factory's conveyor belts.

他们为工厂的传送带开发了一种新型合成橡胶。