| 例句 |
The vineyards are hilly and difficult to cultivate.这几片葡萄园起伏不平，很难耕种。I could not see anything on the ruffled surface.在起伏不平的表面上，我看不见任何东西。The undulating planes of the countryside provide relief from the hard horizontals and verticals of the urban scene.乡村起伏不平的地势使人们摆脱了城市刻板的横平竖直景象。As we travel south, the countryside begins to undulate as the rolling hills sweep down to the riverbanks.我们一路南行，乡间开始变得起伏不平，绵延的山峦一直延伸到河岸。 |