plutonium
🇺🇸
/pluːˈtəʊniəm/
🇬🇧
/pluːˈtəʊniəm/
a type of element that gives off a lot of energy and is used in nuclear bombs and to make electricity.
Scientists are careful when they handle plutonium because it is very dangerous.
과학자들은 플루토늄을 다룰 때 매우 조심합니다. 왜냐하면 그것은 매우 위험하기 때문입니다.