As far as the crops themselves are concerned, there are three runners at the starting gate: grasses, trees and algae.

在粮食作物作为原料之前，起跑线上有三种原料：草料，树木和水藻。

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The oak tree in this example is therefore called the dominant species but there are also many other types of plants, such as bushes, small trees, mosses, lichens and algae.

此例中的橡树因而被称为优势物种，但也有许多其他种类的植物，像灌木、小树、苔藓、地衣和藻类。

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The oak tree in this example is therefore called the dominant species but there are also many other types of plants, such as bushes, small trees, mosses, lichens and algae.

此例中的橡树因而被称为优势物种，但也有许多其他种类的植物，像灌木、小树、苔藓、地衣和藻类。

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