desbastaron
Preteriteellos/ellas/ustedesconjugation ofdesbastar.

desbastar

Mientras es drásticamente restringido esos proyectos desde finales del 1990, muchos de ellos, introducidos durante el 1970 y 1980, desbastaron su mundo y se convirtieron en grandes epidemias globales (SIDA).
While we have drastically curtailed these projects since the late 1990's, several of them, introduced during the 1970's and '80s, devastated your world and became major global epidemics (AIDS).
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