Lab analysis revealed the miniscule bits to be carbon-based blobs of soil material—like decayed bits of plants and soil-dwellers.

而实验分析表明这些微粒原本是以碳为基础的土壤物质，比如在腐烂的植物和其他土壤寄居物中就能发现。

The experts are headed for The Hague with samples collected from the suspected site of Aug. 21 attacks for lab analysis.

专家将带着从化武传闻地采集的样本前往海牙，进行实验室分析。

The report says using dogs is also faster, less costly and more exact than having people collect hundreds of leaves for lab analysis.

报告说，这种方法比让人们收集数百片树叶拿到实验室分析更快、更便宜、更准确。