Examples large amount in Czech examples

How do I translate large amount into Czech?

Movie subtitles

She analyzed Mr. Dubois's stomach emissions and found that, along with a minuscule amount of strychnine, there was a large quantity of ipecac.

Analyzovala žaludeční šťávy pana Duboise a zjistila, že s nepatrnou dávkou strychninu tam bylo obsaženo velké množství látky ipecac.