Nothing holds the soils back. 土壤无法留在原地

227. On the hills of haiti, only two percent of the forests are left.
     海地山坡上的树林只剩2％
228. Stripped bare, the soil no longer absorbs the rainwater.
     坦露在外的土壤无法吸收雨水
229. With no vegetation and no roots to reinforce them,
     没有植物和根茎的加固
230. Nothing holds the soils back.
     土壤无法留在原地
231. The rainwater washes them down the hillsides as far as the sea.
     雨水把它们从山坡冲入大海
232. Erosion impoverishes the quality of the soils,
     将土地侵蚀得更为贫瘠
233. Reducing their suitability for agriculture.
     使它们不宜耕种

来自《家园 第二部分 Home Part2》第 230 行