单词	古陨击坑
释义	古陨击坑 gǔ yǔn jī kēng astroblem
随便看	the five colors the five colours the five constant virtues the five degrees of nobility the five dependencies round the imperial domain the five elements the five entrails the five fermenting causes the five grains the five highest mountains in china the five kinds of corn the five kinds of grain the five kinds of happiness the five kinds of mourning the five kinds of weather the five lakes the five laws of library science the five mountains the five musical notes the five notes the five orders of nobility the five planets the five points of the compass the five points on the compass the five precepts