black adobe soil的用法和樣例：
例句
- Because the region around New Orleans is composed of alluvial soil, there is no paving material close at hand.
新奧爾良一帶多為沖積土，因而附近沒(méi)有可用的鋪路石材。 - The soil is classified to tidal sandy soil, derived from river alluvium with sandy loam texture.
土壤分類(lèi)為河流沖積土發(fā)育的潮汐沙土，砂壤土質(zhì)地。
