他们建议另外两排种植冬青类树木。

They suggested evergreen trees for the other two rows.

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冬青属类植物离地面较低的的叶子的刺比例地面较高的叶子的刺多的原因是为了抵御较低的叶子更易受大多数动物的袭击。

Holly leaves on lower branches have more spines than leaves on upper branches. This is because the lower branches are easier for most animals to reach.

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冬青属植物含有三萜及其苷类、 黄酮类、 香豆素、 木脂素等化学成分。

There are many active constituents in Ilex L. , such as triterpenes and triterpenoid saponins, flavonoids, coumarins, lignans, etc.

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