当火山在水下喷发时，一座新的岛屿可能会诞生。

When a volcano erupts underwater, a new island may ___come ___into ___being.

现代民主的概念最初诞生于古希腊。

The modern concept of democracy first ___came ___into ___being in ancient Greece.

随着区块链的发明，一种全新的数字货币形式应运而生。

With the invention of blockchain, an entirely new form of digital currency ___came ___into ___being.