to match or equal in effect, but acting in opposition

listen to the pronunciation of to match or equal in effect, but acting in opposition
الإنجليزية - الإنجليزية
counterbalance

A considerable effort has been made in these volumes to counterbalance this activity by introducing the student to the plants as living entities with a life of their own, as Spruce put it.

to match or equal in effect, but acting in opposition
المفضلات