A microscope is a scientific instrument which makes very small objects look bigger so that more detail can be seen. 显微镜
noun [专属名词] 显微镜
If you look at the paper under a microscope you will see the fibres. 如果你在显微镜下观察这张纸,你就会看到纤维。
micro(微)+scope(看)→用来看微小的东西→显微镜