1. 龙血树：congruent transformation group 全等变换群, 合同变换群 | dragon tree 龙血树 | hydroxide ion 氢氧离子 羟 离子
2. 巴西鐵樹：龙血树属Dracaena Palm | 巴西铁树Dragon Tree | 黛粉叶Dumb Cane
1. In the garden, tree branches take the shape of a dragon's claw.
2. The fourth chamber tells you what it is like in the Dragon Palace in the stories by presenting stone tree branches and densely covered pools.
noun
1. tall tree of the Canary Islands
source of dragon's blood
Synonym: Dracaena draco