We all know to stay away from poisons, like mercury where ingesting a 200 mg dose would kill you, or polonium which only requires 1 gram of vaporized substance to wipe out 50 million people.

我們都知道要遠離毒藥，例如汞，攝入 200 毫克的劑量就會致命，或是釙，只需 1 克蒸氣就能消滅 5000 萬人。