免费

miǎn fèi free (of charge)

蜘蛛

zhī zhū spider

池

Chí surname Chi

chí pond; reservoir; moat

搭建

dā jiàn to build (esp. with simple materials); to knock together (a temporary shed); to rig up

教程

jiào chéng lecture course; teaching module at university; tutorial; textbook; course of study

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