“level terrace”簡單造句，level terrace造句子

"This is a first-level terrace, see?" he said, analyzing the topographical features for the girl.

While level terrace had the functions of conserving soil and water storage, it increased the possibility of the soil pollution too.

"That place where the crops are growing over there is a second-level terrace-both were once the riverbed of the Huangshui.