Unfortunately, you can enroll and use your email in only one org.

Multi Org access is however available where you are a user in multiple orgs but the inviting Org needs to have access which comes with your Enterprise subscription.

This feature is only available to Enterprise users and Enterprise plan owners.
With the Multi Org or Site Switcher feature, a user can switch between multiple invited orgs.

Belows shows what your view would look like.

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