The path steepened as we approached the summit.我们越靠近山峰,路就越陡。Our costs have steepened since we began this project.自从开始了这个项目,我们的费用就增加了。The road steepened and then levelled out suddenly.路变得陡直起来,然后又突然变平坦了。A large glacier steepened the side of the mountain.一大块冰川使得山坡更陡了。