cesium
🇺🇸
/ˈsiːziəm/
🇬🇧
/ˈsiːziəm/
Cesium is a soft, silver-white metal that reacts strongly with water. It is used in devices that convert light into electricity.
Scientists used cesium in their experiments to create a new type of photoelectric cell.
科学家们在实验中使用铯来制造一种新型的光电电池。