helium
Definition
A chemical element, a light, non-reactive gas used in balloons, cryogenics, and as a coolant.
한국어 발루나, cryogenics, 및 냉각제로 사용되는 가벼운, 반응성이 없는 가스인 화학 원소
Example
"The balloon floated upward because it was filled with helium."
A chemical element, a light, non-reactive gas used in balloons, cryogenics, and as a coolant.
한국어 발루나, cryogenics, 및 냉각제로 사용되는 가벼운, 반응성이 없는 가스인 화학 원소
"The balloon floated upward because it was filled with helium."