corals

Because the corals are alive , they provide a continuous supply of material .

由于珊瑚是活着的，它们提供了源源不断的材料供应

But for fixed4 species , like corals , moving is not an option .

但对于珊瑚这样固定不动的物种来说，移动并不可行。

Oil pollution could damage the fragile ecology of the coral reefs .

石油污染可能破坏珊瑚礁脆弱的生态环境。

Oil spills are having a devastating effect on coral reefs in the ocean .

海上溢油对海洋里的珊瑚礁有着毁灭性影响。

The island is encircled by a coral reef .

这个岛周围都是珊瑚礁。

Although the coral looks hard , it is very delicate .

珊瑚虽然看上去坚固，实际上非常易碎。

Coral can be yellow , blue , or green .

珊瑚有黄色的、蓝色的或绿色的。

The women have elaborate necklaces of turquoise and pink coral .

那些女人戴着由绿松石和粉色珊瑚制成的精美项链。

A coral reef is built by the accretion of tiny , identical organisms .

珊瑚礁是由许多相同的微生物不断堆积而成。

In Bermuda , Sam 's father took him on an excursion to a coral barrier .

在百慕大，萨姆的父亲带他到附近的珊瑚礁去游玩。

These snails do not occur on low-lying coral islands or atolls .

在地势低平的珊瑚岛或环礁上没有这种螺。

An unspoilt coral reef encloses the bay .

未遭破坏的珊瑚礁环绕着海湾。

The Xisha Islands are formed of coral reefs .

西沙群岛是由珊瑚礁构成的。

The sting of coral can be very painful .

珊瑚刺伤可引起剧痛。

It is home to one of the world 's finest marine ecosystems , with more than 1,300 species of fish and 700 species of coral .

作为世界上拥有最好的海洋生态系统的国家之一，这里有1，300多种鱼类和700多种珊瑚。

Warming waters are known to contribute to coral bleaching and they take up more space than cooler waters , raising sea levels .

众所周知，温热的海水是导致珊瑚白化的原因，且它比凉爽的海水占据了更多的空间，会让海平面上升。

Marine life may be affected too ： El Ninos can reduce the rising of the cold , nutrient-rich water that supports large fish populations , and the unusually warm ocean temperatures can destroy coral .

海洋生物也可能受到影响：厄尔尼诺现象会减少大量鱼类种群赖以生存的营养丰富的冷水的上升,异常温暖的海洋温度也会破坏珊瑚。

These colors belong to a group of snakes known as the false corals .

这些颜色属于伪装起来的眼镜蛇

And rats , scientists found , dramatically reduce the health of a coral reef surrounding an infested3 island .

科学家们发现，在有大批老鼠出没的岛屿周围，其珊瑚礁的健康状况急剧下降。

They say its coral has been under a sustained attack by warmer seas driven by climate change .

研究人员们说，由于气候变化导致的海水升温，大堡礁的珊瑚受到了持续攻击。

The Islands are by shallow crystal clear lagoons enclosed by coral reefs .

该群岛包围由珊瑚礁封闭的浅水清澈泻湖

Scientists analysed data on more than 48000 marine species , including fish , molluscs , birds and corals .

科学家们分析了超过48000种海洋物种的数据，包括鱼类、软体动物、鸟类和珊瑚。

Over the years , there have been many attempts to revive coral reefs , some more successful than others .

多年来，人们曾多次试着让珊瑚礁恢复生机，但结果却成败参半。

A technique being tried in Indonesia uses a network of metal frames with fragments of live corals attached to them .

在印度尼西亚，人们在尝试一种技术，即使用一种附有一块块活珊瑚的金属框架网状系统。

This causes bleaching . Under stress , the corals expel symbiotic which lives in their tissues and gives them their colour and energy .

这会导致珊瑚白化。面对环境压力，珊瑚会排出生活在其细胞组织中，并为其提供颜色和能量的共生藻。

Sebastian Ferse , coral reef researcher and ecologist

塞巴斯蒂安·弗斯�珊瑚礁研究员和生态学家

With coral reefs under threat from climate change , the scientists are now advocating rat eradication5 on islands around the world to protect some of the most diverse ecosystems6 in the ocean .

由于珊瑚礁受到气候变化的威胁，所以科学家们现提倡在世界各地的岛屿上消灭老鼠，以保护海洋中最多样化的生态系统。

Progress in the chemical study of corals from South China Sea

中国南海珊瑚化学研究新进展

Objective The evaluation of genetic toxicity to coral artificial bone .

目的评价珊瑚人工骨的遗传毒性。

And coral concrete mechanical properties were compared with normal concrete . 3 .

并且把珊瑚混凝土的这些力学性能与普通混凝土进行了对比。