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。the multifarious life forms in the coral reef珊瑚礁上的多种生命形式Waves mountain - high broke over the reef.滔天巨浪盖过礁石....
The ship was wrecked on a coral reef.这条船在珊瑚暗礁上撞毁了。Photo Gallery : Marine Marvels A freckle - face blenny peeks from its reef burrow in the Solomon Islands.海洋的奇迹图片.一条雀斑面孔的粘鱼在窥视从它的暗礁洞穴位于所罗门群岛.The large number of barrier re...
When you go away on holiday, you need to take extra security precautions...外出度假时，需要格外注意安全。A few simple precautions can be taken, for example ensuring that desks are the right height.可以采取一些简单的预防措施，比如确保桌子的高度合适。Precautions ...