基本解释n.下層土；底土v.繙起 ... 的底土同根派生 subsoils相关词英汉例句用作名詞 (n.)With ample moisture stored in the subsoil, the crops matured rapidly.由於下層土壤溼度大,辳作物生長迅速。Earthworms burrow deep into the subsoil.蚯蚓深深地鑽進底土。subsoils更多例句