蜘蛛

zhī zhū spider

池

Chí surname Chi

chí pond; reservoir; moat

原理

yuán lǐ principle; theory

及

jí and; to reach; up to; in time for

添加

tiān jiā to add; to increase

链接

liàn jiē link (on a website)

讲解

jiǎng jiě to explain

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