短語(yǔ)詞組短語(yǔ)gravelly stake 碎石樁gravelly clay 礫質(zhì)粘土Gravelly Interlayer 碎石過(guò)渡層gravelly soils 碎石上gravelly soil 礫土；礫石土gravelly bed 礫石河床gravelly ground 礫石地gravelly loam 礫質(zhì)壤土gravelly limestone 礫狀石灰?guī)r 返回 gravelly