원자 번호 64번인 희토류 금속 원소 가돌리늄의 화학 기호.
The chemical symbol for gadolinium, a silvery-white rare-earth metal with atomic number 64.
예문:
"Gd is widely utilized as a contrast agent in magnetic resonance imaging (MRI)."
"The element Gd belongs to the lanthanide series of the periodic table."