mountain biking

US /ˈmaʊn.tɪn ˌbaɪ.kɪŋ/
UK /ˈmaʊn.tɪn ˌbaɪ.kɪŋ/
"mountain biking" picture
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mountain biking, ciclismo de montanha

the sport of riding bicycles off-road, often over rough terrain, using specially designed mountain bikes

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We went mountain biking in the Alps last summer.
Fomos de mountain bike nos Alpes no verão passado.
Mountain biking requires good balance and stamina.
O mountain biking exige bom equilíbrio e resistência.