Caterpillar track
noun [ C ] trademark uk/ˈkæt.ə.pɪl.ə ˌtræk/ us/ˈkæt̬.ɚ.pɪl.ɚ ˌtræk/
履带
a brand name for a belt of metal plates around the sets of wheels on each side of a vehicle that help it to move over rough ground
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