通过显微镜观察，我们可以分析金属的微观结构。

Using a microscope, we can analyze the ___microstructure of the metal.

科学家通过显微镜观察了植物叶片的微观结构。

Scientists observed the ___microstructure of plant leaves under a microscope.

研究人员正在分析外汇市场的微观结构以理解高频交易的影响。

Researchers are analyzing the ___microstructure of the foreign exchange market to understand the impact of high-frequency trading.