硫化物集体大部由磁黄铁矿 、 镍黄铁矿 、 黄铜矿及黄铁矿组成.The sulfide assemlage consists largely of pyrrhotite, pentlandite, chalcopyrite, and pyrite.某些贱金属以及金常常与磁铁矿和磁黄铁矿这类磁性矿物一起被发现.Base metals and gold are often found in association with magnetic...
Standing in the watchtower, we admired the surrounding scenes.我们站在碉楼上, 欣赏四周的景色.The watchtower followed the aircraft by radar.了望塔通过雷达追踪这架飞机的飞行.If it isn't, why do they renovate the watchtower?要不然, 为什么他们要修复了望塔?...
Two teenagers burgled the home of Mr Jones's mother.两个少年闯进了琼斯先生的母亲家里行窃。I found that my flat had been burgled.我发现我的公寓被盗了。I thought we had been burgled.我想我们被盗了。...
Substantial numbers of rank and file members ignored their union's advice.有相当一部分普通员工不理睬工会的建议。A substantial proportion of the population speak a French-based patois.人口中有一大部分说以法语为基础的混合语。There is a substantial payback ...