assaying

动词 assay:

1. analyze (chemical substances)
   同义词：assay
2. make an effort or attempt
   同义词：try, seek, attempt, essay, assay

1. After chemical assay, we have known the composition of the ore.
   经过化学分析，我们知道了矿石的构成。
2. We will make an assay of the ore that he brought.
   我们将对他带来的矿石做实验鉴定。