원자 번호 31번의 화학 원소로, 실온보다 조금 높은 온도에서 녹는 성질을 가진 은백색의 부드러운 금속.
The chemical element of atomic number 31, a soft silvery-white metal that melts at approximately 29.76°C, which is just above room temperature.
예문:
"Gallium is widely used in the manufacturing of semiconductors and high-efficiency LEDs."
"A solid piece of gallium will eventually melt into a liquid when held in the palm of a hand."
"The discovery of gallium confirmed Mendeleev's prediction about the existence of eka-aluminum."