Daytime temperatures are high enough to melt zinc and tin.
白天的温度高得足以熔化锌，锡。
Zinc, lead, tin and aluminium have also run up smartly over the past year.
锌、铅、锡和铝也都在去年中涨价不少。
Lead, iron, copper, tin, and zinc are base metals.
铅、铁、铜、锡和锌都是基本金属。
Lead, iron, copper, tin, and zinc are base metals.
铅、铁、铜、锡和锌都是基本金属。
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