There’s a new outdoor sport called snow biking for extreme sports athletes. Imagine a cross between a dirt bike and a snowmobile. Unlike snowmobiles, snow bikes are generally much lighter, and the narrow body is easier to ride. They were invented during World War II. However, the trend in snow biking didn’t take off until 2009, when a group of motocross bikers in the US began fitting dirt bikes with skis and snowmobile treads.
有一项适合极限运动员的新户外运动称为雪地单车。想像一下越野摩托车和雪上摩托车的结合体。与雪上摩托车不同，雪地单车一般要轻得多，狭窄的车身更容易骑乘。它们是在第二次世界大战期间被发明的。然而，雪地单车的风潮直到 2009 年才开始兴起，当时美国的一群越野摩托车骑士开始在越野摩托车上安装滑雪板和雪上摩托履带。
生活必备字词：
outdoor a. 户外的
cross n. 混合物
take off 开始流行
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本文节录自《常春藤生活英语》杂志，完整内容请见十二月号。
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