has tinkered
-ha jugueteado
Present perfecthe/sheconjugation oftinker.

tinker

The Council has tinkered with it an enormous amount, after the work we did on it, and it shows.
El consejo ha hecho un gran esfuerzo, después de nuestro trabajo, y se nota.
Man, of course, has tinkered, in recent years, with the genetic structure of various organisms in the hope of producing artificial evolution.
El hombre, claro ha tratado vanamente, en los años recientes con la estructura genética de varios organismos, con la esperanza de producir la evolución artificial.
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