ash test

例句：

1. 1. 灰烬测试
   名词
2. 2.灰烬试验
   动词
3. 3. 用灰烬进行测试
   动词短语
4. 1. The ash test is used to determine the composition of the soil.
   灰烬测试用于确定土壤的成分。
5. 2. During the ash test, the samples are burned and the residue analyzed.
   在灰烬测试期间，样本被燃烧并分析残留物。
6. 3. The ashes from the fire were collected for analysis.
   火灾后的灰烬被收集起来进行分析。