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- H. von Prehn certainly was one of a good mineral collector, which was in the fashion in Europe and reported to the society, he somehow obtained the new mineral, found near The Cape of Good Hope. 当时欧洲上层人士风靡矿物收藏，普雷恩就是当时有名的矿物收藏家之一。他在当时的任地南开普敦地区热衷于寻找新的矿物。
- Rumours of the existence of a giant gypsum geode had been circulating among mineral collectors since December. 存在巨大石膏晶洞的传闻从12月以来就在矿物收藏家之间不胫而走。
- Lagrange Traveling Equation of Crawled Mineral Collector 履带式集矿机的拉格朗日运动方程
- Keywords sulfid mineral collector;oxide mineral collector;frother; 硫化矿捕收剂;氧化矿捕收剂;起泡剂;
- He doubles the parts of a farmhand and a miner. 在这出戏里他既扮演雇农又扮演矿工。
- My husband is a stamp collector. 我丈夫是个集邮者。
- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏，包括黄金。
- The country possesses rich mineral resources. 这个国家有丰富的矿产资源。
- No potassium did we find in this mineral. 在这种矿石中我们没有发现钾。
- A collector of taxes or tribute from the public. 征收员从公众那儿收取赋税或贡物的人
- A miner's lamp is fixed onto his helmet. 矿灯固定在矿工的头盔上。
- The stamp collector decided to get that rare stamp at all costs. 这个集邮迷决心无论代价如何都要搞到那枚稀有的邮票。
- Damage analysis and improving suggestion of trackboard on a low-pressure tracked mineral collector 低比压履带式集矿机履带板的破损分析与改进
- The gold miner staked out his claim. 那位淘金者立桩标出他的地界。
- He sketched the coal miner in a few minutes. 他几分钟就画了一幅那位煤矿工人的素描。
- Those countries are rich in mineral resources. 那些国家矿物资源很丰富。
- We are digging for mineral deposits. 我们正在掘地探矿。
- The collector bubbled excitedly about his latest discoveries. 那位收藏家兴致勃勃地谈他最新的发现。
- Each mineral has crystals of a particular shape. 每种矿物的晶体都有其特殊的形状。
- The collector made an appraisal of $2000 on the drawing. 收藏家对那幅画的估价是二千美元。
