assay
n
testing of esp metals for quality 试验, 测定, 鉴定(尤指对金属质量)
make an assay of an ore 对一矿石作试验鉴定. assay, v
1 [Tn] test the quality of (a metal); analyse (eg an ore) 测定(金属)的质量; 分析(如矿石).
2 [Tn, Tt] (arch 古) attempt (esp sth difficult) 尝试(尤指困难事物).
🔁 扩展释义
*[ә'sei]n. 试验, 化验, 分析vt. 化验, 分析, 评价, 尝试vi. 被验明内含成分【医】 测定, 鉴定【经】 检定相关词组: to assay to do sth
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.