Focus on the pronunciation of rubber
English definition of “rubber”
/ˈrʌb·ər/ n [C/U]
› an elastic, waterproof substance made either from the juice of a tree that grows in hotter parts of the world or artificially: [U] rubber boots/gloves [U] Tires are made of rubber. › Br A rubber is an eraser. › Rubbers are waterproof shoes made of rubber, which are worn over regular shoes to keep them dry: [pl] Wear your rubbers – it’s raining.