評論
打印
Topsoil
表土
Humans need air, food, sunlight and water to survive.
人類離不開空氣、食物、陽光和水。
How about plants?
那植物呢？
They also need air, food, sunlight and water.
它們同樣離不開空氣、食物、陽光和水。
Do they eat the same food humans eat? No, they don't.
它們吃人類吃的食物嗎？不，它們不吃。
Their food is topsoil.
它們的食物是表土。
Topsoil is the upper part of soil.
表土是土壤上面的部分。
The depth of topsoil is usually up to 20 centimeters.
表土深度一般可達20厘米。
There are a lot of nutrients for plants and vegetables.
它里面有很多樹木和蔬菜需要的養分。
Without topsoil you cannot grow trees or vegetables.
沒有表土你就種不了樹木和蔬菜。
There are many plants in jungles.
叢林中有很多植物。
Because the depth of topsoil in jungles is very deep.
因為叢林中的表土層很厚。
Are there any animals which need topsoil to live?
有靠表土生存的動物嗎？
Yes, earthworms eat topsoil too.
當然有！蚯蚓也吃表土。
