mountain bike
US /ˈmaʊn.tɪn ˌbaɪk/
UK /ˈmaʊn.tɪn ˌbaɪk/

名词
1.
山地自行车
a bicycle with thick tires and a strong frame, designed for riding on rough terrain
示例:
•
He rode his mountain bike down the steep trail.
他骑着他的山地自行车沿着陡峭的小径向下。
•
She bought a new mountain bike for her adventures.
她为她的冒险买了一辆新的山地自行车。
在 Lingoland 学习这个单词