The smell of burned rubber. The earsplitting crashing sound.

橡胶燃烧的味道，震耳欲聋的撞击。

Harry hastily dropped his gaze to his potion, which was now congealing foully and giving off a strong smell of burned rubber.

哈利急忙垂下眼看他的药水，它现在已经凝结成污浊不堪的一体，发出一股冲鼻的橡胶烧糊了的气味。