8 篇文章
these are the corals.
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these are the corals. 这些是珊瑚

The equilibrium of every ocean depends on these corals.
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The equilibrium of every ocean depends on these corals. 每个大洋的生态平衡都取决于这些珊瑚

Thus, corals are born from the marriage of algae and shells.
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Thus, corals are born from the marriage of algae and shells. 例如 珊瑚产生于藻类与贝壳的结合

The corals are protected by mangroves.
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The corals are protected by mangroves. 珊瑚受到红树林的保护

Whip corals stretch out into the current.
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Whip corals stretch out into the current. 海鞭在海流中伸出手来

Soft corals, several meters across
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Soft corals, several meters across 几米长的软珊瑚

Corals thrive in these waters with the help of microscopic plants, algae that grow within the tissues of the polyps
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Corals thrive in these waters with the help of microscopic plants, algae that grow within the tissues of the polyps 珊瑚在一种微生植物的帮助下生长-海藻 是居住在珊瑚虫里的一种共生藻

Limestone is composed of minerals derived from marine shells and corals,
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Limestone is composed of minerals derived from marine shells and corals, 石灰岩由海螺和 珊瑚中的矿物沉积后形成

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