alias|aliases

这位作家用笔名发表小说。

The writer published the novel under an ___alias.

这个软件允许用户为每个联系人设置多个别名。

This software allows users to set multiple ___aliases for each contact.

这位作家用笔名发表了他的第一部小说。

The writer published his first novel under an ___alias.