用“level terrace”造句大全,level terrace造句
While level terrace had the functions of conserving soil and water storage, it increased the possibility of the soil pollution too.
"This is a first-level terrace, see?" he said, analyzing the topographical features for the girl.
"That place where the crops are growing over there is a second-level terrace-both were once the riverbed of the Huangshui.