科技树的英文：
technology tree
n. 技术，科技；技术应用
- This is the centre of the technology.
这是这项技术的核心。 - Technology Department is responsible for the overall planning of technology.
技术部负责按体系要求做好技术的总体策划工作。 - HTTC HyperTransport Technology Consortium
HyperTransport技术协会 - DHT Dolby Headphone Technology
杜比耳机技术 - technology for producing icecream with soybean
用大豆生产冰淇淋技术
n. 树，木料，树状物
v. 赶上树；爬上树；逃上树
- The trees are sparse.
树木稀疏。 - The trees are in blossom .
树上鲜花盛开。 - the parent tree
母树 - Such a tree may be at odds with a scientific tree.
这种树，可能与科学上的树有区别。 - Deciduous trees: Hardwood trees which shed their leaves.
落苣树:年落苣的硬木树。