工人们正在从矿井中进行煤炭的提取工作。

The workers are performing the ___extraction of coal from the mine.

这家工厂专业从事植物精华的提取。

This factory specializes in the ___extraction of plant essences.

这个工具可以高效地从文档中提取关键信息。

This tool allows efficient ___extraction of key information from documents.