noun 下载 🔗分享 赛马场,跑道。 A course over which any type of races are run. Examples : "The horses ran very fast around the racetrack. " 马匹们在赛马场上飞快地奔跑。 sport race entertainment place vehicle 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 跑道,环形侵蚀地貌。 A characteristic circular erosion pattern in deposition processes. Examples : "The satellite image showed a clear "racetrack" around the volcano, indicating where repeated flows of lava had eroded the land in a circular pattern. " 卫星图像显示,火山周围有一个清晰的“跑道”状环形侵蚀地貌,表明反复流动的熔岩以环形方式侵蚀了土地。 geology nature environment 与AI对话词汇游戏阅读练习