Cách sử dụng
In simple language, the word 'stratum' is used to refer to different layers or levels of something. For example, we can use this word to describe layers of rock or soil in the ground. We can also use it to talk about layers of society, where people belong to different strata based on their social status, wealth, or occupation. In science, we can use this word to talk about layers of the atmosphere, the earth's crust or the ocean depths. In general, we use the word 'stratum' to refer to different levels of something that are arranged in a particular order.