| 释义 |
DEFINITIVE EXAMPLES 权威例句〔metallurgy〕The study of metals and their properties in bulk and at the atomic level.冶金学:以金属及其聚合时和呈原子状态时的特性为研究对象的学科美国传统〔press〕What happens at the atomic level when metals are hammered and pressed into shape has always been a mystery.当金属被锤压成型时, 在原子水平上发生了什么一直是个谜。外研社新世纪 |