Xmas Tree Coral 如何饲养圣诞树
coral tree 珊瑚树 ; 龙牙花 ; 刺桐 ; 珊瑚刺桐
Pito Coral Tree Coral Bean 皮托珊瑚树
Coral Tree Inn 珊瑚树酒店 ; 珊瑚树饭店
Natal Coral Tree 纳塔尔珊瑚树
Cockspur coral tree 鸡冠刺桐 ; 海红豆
Christmas tree worms on brain coral.
脑珊瑚里的圣诞树管虫。
It's a defense mechanism of the Christmas tree worm, most of which resides in a tunnel it carves into live coral.
这是圣诞树蠕虫的防御机制，它们中的大多数栖身在活珊瑚上挖出的“地道”里。
Some dived under the sea for red coral, which they hauled up by means of straw ropes, in great sprigs as thick as the branches of a tree.
有的则是潜到海底，在浓密的珊瑚丛中游动，然后把红珊瑚用草绳吊上来。他们快速地爬上脚手架。
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