n.下層土；底土
v.翻起 ... 的底土
With ample moisture stored in the subsoil, the crops matured rapidly. 由于下層土壤濕度大,農(nóng)作物生長(zhǎng)迅速。
Earthworms burrow deep into the subsoil. 蚯蚓深深地鉆進(jìn)底土。
