element

Carbon is a versatile element that forms the backbone of all organic molecules found in living organisms.碳是一种多功能元素，它构成了生物体内所有有机分子的骨架。

The periodic table organises the chemical elements according to their atomic number and recurring properties.元素周期表根据化学元素的原子序数和循环出现的性质对其进行组织。