1.the downward slope of a hill
2.a ski race down a trail
3.sloping down rather steeply
4.toward a lower or inferior state;
your performance has been going downhill for a long time now
5.toward the bottom of a hill;
running downhill, he gained a lot of speed
高山速降车”,英文叫做DOWNHILL(简称DH)。DH是从山地车族里分离出来的车型,比所谓的山地自行车要高两个档次,作为一种以刺激、惊险著称的终极运动,很早以前在一些欧美国家就相当盛行。这类车前叉很高,车体沉重,制动性能优越,拥有超强的抗震系统,对山路的崎岖和陡峭有极强的适应能力,但比较笨重,对车手的体能要求较高。一般先用缆绳把车拉上山,然后从山上高速向下骑行,体验极速带来的刺激。这种玩法极具挑战性——驾着速