undulates的例句（undulates在句子中的用法）

• The price of steel and iron products and materials undulates fiercely on the current market. 当今的市场,钢铁产品和原材料的价格上下波动剧烈.
• The road undulates through pleasant scenery. 那条道路在宜人的景色中延绵起伏.
• The countryside undulates pleasantly. 原野起伏，景色宜人。