| 释义 |
oreHC:5, $C:rna MINERAL or a combination of such chemical substances, which are formed naturally in the ground and from which metal can be obtained矿, （含金属的）矿石iron/copper ore [U]铁矿/铜矿an ore mine/producer [U]一座矿石山/一处矿石产地6, 000 tons of ore can be processed at the site each day. [U]每天在这块场地上可以加工处理6000吨矿石。Metal ores are often found mixed with rock, dirt and clay and are rarely pure enough to be processed straight away. [C]人们找到的金属矿石经常是和岩石、尘土及黏土混在一起的，很少纯净得可以直接进行加工处理。The main iron ores are oxides, which are combinations of iron with oxygen. [C]主要的铁矿石都是氧化物，即铁和氧的化合物。
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