мощный

I

см. тж. достаточно мощный

• Sodium is a vigorous reducing agent.

• A high-powered laser system ...

• Quasars are the most energetic objects known in the universe.

• The most energetic (or powerful) propellants give values of about 13,000 fps.

• This is a potent fissile material.

• When intense gamma-ray sources became available, ...

II

• A thick layer of coal ...