而且我们也需要它们——它们是从建造珊瑚礁，到稳固海洋食物链，再到美味的蛤蜊酱意面的关键物种。
And we need them — they are keystone species for everything from building coral reefs to anchoring the ocean food chain to making a killer linguine and clam sauce.
珊瑚礁是海洋食物链基础的一部分。
Coral reefs are part of the foundation of the ocean food chain.
二氧化碳溶解后让海水越来越偏于酸性，从而毁掉余下的珊瑚礁并且消灭掉大量作为海洋食物链基础的浮游生物。
Dissolved CO2 turns the oceans increasingly acidic, destroying remaining coral reefs and wiping out many species of plankton which are the basis of the Marine food chain.
她正在玩耍一串她母亲刚才给她的珊瑚珠链。
She was trifling with a string of coral beads which her mother had just given her.
她正在玩耍一串她母亲刚才给她的珊瑚珠链。
She was trifling with a string of coral beads which her mother had just given her .
甜美怀旧，镀钯色链坠上装饰一架小飞机，密镶透明水晶及珊瑚色和雪蛋白色环氧树脂。
Sweet and nostalgic, this irresistible pendant features an aeroplane in clear crystal pave with coral and white opal epoxy.
这些问题包括：常时间禁渔保护了珊瑚鲈鱼的同时，大堡礁食物链中的其他物种也同时得到保护。
Among them: the long-term effects of no-take reserves on coral trout populations, as well as other species on the Great Barrier Reef food chain.
这些问题包括：常时间禁渔保护了珊瑚鲈鱼的同时，大堡礁食物链中的其他物种也同时得到保护。
Among them: the long-term effects of no-take reserves on coral trout populations, as well as other species on the Great Barrier Reef food chain.
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