铋、碲矿物有自然金属、硫化物、铋化物、硫盐和碲化物等类型。
The bismuth and tellurium minerals include native metals, sulfides, bismuthides, sulphosalts and tellurides.
那里几乎没有什么自然资源，也没有木材、石头或金属。
There were few natural resources, no timber, stone, or metals.
铼：最后一种被发现的自然存在的元素。少量的这种银色金属与镍一并被用在喷气发动机中。
Rhenium (re) : the last of the naturally occurring elements to be discovered, this silvery metal is used in small amounts with nickel in jet engines.
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