What is a parachain?
A parachain, formally a parallelizable chain, is an individual layer-one blockchain that functions alongside others in the Polkadot and Kusama multichain networks. https://buff.ly/3aTvtCm
什么是平行链？
平行链，形式上是可并行化的链，是一个单独的第一层区块链，在 Polkadot 和 Kusama 多链网络中与其他区块链一起运行。 https://buff.ly/3aTvtCm