dystric regosol不饱和粗骨土
calcareous regosol石灰性粗骨土
calcaric regosol石灰性粗骨土
gelic regosol永冻粗骨土
eutric regosol饱和粗骨土
N(名词) a type of azonal soil consisting of unconsolidated material derived from freshly deposited alluvium or sands 粗骨土