B2 [ U ] an elastic substance (= that stretches) made either from the juice of particular tropical trees or artificially橡胶;合成橡胶
More examples
Most tyres are made of rubber compounded with other chemicals and materials.
The chemical industry produces such things as petrochemicals, drugs, paint and rubber.
Sunlight has caused the rubber to perish.
These toys are made of pliant rubber, so they won't break.
This rubber ball is very resilient and immediately springs back into shape.
[ C ] a series of three or five games between two teams, especially in card games or cricket多轮决胜负的比赛(尤指扑克牌或板球三局两胜或五局三胜)
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