cupel的读音 cupel中文意思

英音  ['kju:pəl] 
美音  ['kju:pəl] 
n. 试金用灰皿
vt. 用灰皿提炼
cupel 用法和例句
" Cupel : a porous cup , often made of bone ash , used in assaying to separate precious metals from base elements such as lead . "
“灰皿:一种多孔杯,通常用骨类制成,在检验中把贵重金属从低劣物质如铝中分离出来。”