含量

含量 refers to the amount or proportion of a particular substance within a mixture or material. It is commonly used in scientific, industrial, and everyday contexts to describe how much of something is present.

The character 含 (hán) means 'to contain' or 'to include,' while 量 (liàng) means 'quantity' or 'amount.' Together, they form a term that specifically describes the concentration or presence of a component in a given substance.

含量 is widely used in chemistry, manufacturing, and even in daily life—for example, when discussing the alcohol content in a drink or the mineral content in water. Understanding this term helps learners grasp how to describe composition in Chinese contexts.