Farmers grow rice in the rich soil.
农民们在肥沃的土地上种水稻。
They built a wall to avoid soil being washed away.
他们建了一堵墙防止土壤流失。
If the soil is allowed to dry out the tree could die.
如果让土壤干硬，树就会死掉。
Water the plant regularly, never letting the soil dry out.
经常给植物浇水，别让土壤干透了。
When the soil is dry, more moisture is lost from the plant.
土壤干燥时，植物就会失去更多的水分。
Nitrates are chemicals that occur naturally in water and the soil.
硝酸盐是水和土壤里天然存在的化学物质。
The poor germination of your seed could be because the soil was too cold.
你的种子发芽不好，可能是因为土壤太冷。
Please fill the hole with soil.
请用泥土把洞堵上。
这里的土壤很松。
Others can spread into the soil.
其他的可以扩散到土壤中。
The soil felt soft beneath our feet.
我们脚下的土踩上去很松软。
The rock has weathered away into soil.
岩石经雨蚀风化而变成泥土。
Those needles add a lot of acid to the soil.
这些松针给土壤增加了很多酸性。
They go to the site of the change and drop a grain of soil.
他们前往发生变化的地方，然后丢下一粒泥土。
Much of the soil is usually still frozen during peak run-off.
大部分的土壤在径流高峰期仍然是冻结的。
Beds of this material, out of sight beneath the soil, are common.
由这些颗粒物质组成的地层很常见，通常位于土壤下方看不见的位置。
They run wild, but they were in rich soil, so some of them lived.
他们到处乱跑，但是他们住在肥沃的土地上，所以他们中有些人活了下来。
A high degree of soil variability in a small area is common, particularly within forests.
小范围内的高度土壤变异是很常见的，特别是在森林里。
Moreover, some have been found to have a valuable function in building up soil fertility.
此外，已经发现一些在提高土壤肥力方面有重要作用。
首先把地耙平。
It was the first time I had set foot on African soil.
那是我第一次踏上非洲大地。
It was the first time I had set foot on American soil.
那是我第一次踏足美洲大地。
Its floor of red soil was littered with strange objects.
它的红土地面上散落着奇怪的东西。
A good class is a fertile soil in which the student grows.
一个好的班级体是学生成长的沃土。
这能够使泥土更快变干。
Smell the soil as you plant seeds.
播种子时闻一闻泥土的气息。
Roses will not root in such acid soil.
玫瑰在这种酸性土壤中不会生根。
But the worms are good for the soil.
但蠕虫对土壤是有利的。
But the worms are good for the soil.
但蠕虫对土壤是有利的。
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