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n.雪面波纹，雪脊；波状沙层
1、disaster relief───赈灾；灾难援助；赈灾; 灾难援助
2、disaster movie 2008───灾难电影2008
3、disaster zone───[电影]灾难地带纽约火山
4、unformed disaster───未成形的灾难
5、forestall disaster───防患于未然
6、disastrously wrong───大错特错
7、he sastudent───一致的
8、reports on disasters───灾害报告
9、disaster film───灾难片
10、fire disaster───[安全]火灾
1、The Dome at Amundsen-Scott South Pole Station is seen above a field of sastrugi - ridges of snow formed by wind erosion on October 29, 2003.───在阿蒙森巨蛋斯科特南极站上面看到的sastrugi领域-山脊由风蚀形成2003年10月29日雪。
2、The surface was covered with high mound sastrugi.───表面覆盖有高丘的雪面波纹。
3、Characteristics of turbulent coherent structures over sastrugi in open channels───沙波附近紊流拟序结构特性初步研究
4、Crossing miles and miles of sastrugi -- frozen ice snowdrifts that could be hip-deep.───穿过一里又一里的冰脊--穿过半身深的冰冷冰山。