assay

名词 assay:

1. an appraisal of the state of affairs
   同义词：check
2. a substance that is undergoing an analysis of its components
3. a written report of the results of an analysis of the composition of some substance
4. a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc.

动词 assay:

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

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。

as.say

n.（名词）

Qualitative or quantitative analysis of a substance, especially of an ore or drug, to determine its components.
化验，分析：物质的定性或定量分析，尤指矿石或药物，检验内含成份
A substance to be so analyzed.
被分析物，被化验物：被化验的物质
The result of such an analysis.
化验报告，分析结果：这样化验的结果
An analysis or examination.
分析，检验
Archaic An attempt; an essay.
【古语】 尝试；企图
v.（动词）
as.sayed,as.say.ing,as.says[2-s3., 2s.3.]
v.tr.（及物动词）
To subject to chemical analysis.
化验，分析：对…进行化学分析
To examine by trial or experiment; put to a test:
试验，检验：通过试验或考验检验；检验：
例句：
assay one`s ability to speak Chinese.
检验某人讲汉语的能力

To evaluate; assess:
评价；估价：
例句：
assayed the situation before taking action.See Synonyms at estimate
采取行动前先分析形势参见 estimate

To attempt; try.
试图；尝试
v.intr.（不及物动词）
To be shown by analysis to contain a certain proportion of usually precious metal.
经分析含有：经检验证明含某种比率的通常较贵重金属

来源：
Middle English
中古英语
from Old French essai, assai * see essay
源自 古法语 essai, assai *参见 essay

【引伸】
assay.able
adj.（形容词）
assay.er
n.（名词）