topsoil

现在分词：

动词现在分词: topsoiling

更多词形：

动词过去式: topsoiled | 动词过去分词: topsoiled | 动词现在分词: topsoiling | 动词第三人称单数: topsoils |

单词例句：

Worse still,the annual torrential rains washed the topsoil from the hillside.

更糟的是，每年都有暴雨把浮土从山坡上冲走。

Here a dry spell meant parched crops,a rainy spell,loss of topsoil.

过去这里，一有干旱庄稼就会枯死，一下雨浮土就会流失。

Thus the farmer is helping nature rebuild the topsoil that holds the rain, resists the wind and provides food for growing plants.

因此，农民是协助大自然重建能够存蓄雨水、抵抗风力和滋养各种植物的表面土壤。

A chisel plow, meanwhile, only fractures the topsoil and preserves more surface residue.

用凿犁耕田则只会松开表土，保留较多的作物残株。

Under flood conditions, great amounts of topsoil are washed to receiving streams.

在洪水泛滥时，大量表层土壤被冲刷到承受的水流中。

If the topsoil is taken away by erosion, plants can no longer grow in the soil left behind.

如果因水土流失而冲掉了表土，植物不能再在留下的土壤中生长。

Worse still, the storm washed the topsoil from the hillside.

更糟的是,暴风雨把山坡上的表土冲走了。

In ABC soil,the uppermost zone of soil,containing humus;topsoil.

淋溶层在ABC层土壤中最上面的一层，含有腐殖土;顶层土壤

The fragile land quickly lost its topsoil and became nothing but sand and dust.

那单薄的土地很快就失去了表土，成为沙粒和尘埃。