An excess of zinc can interfere with absorption of other nutrients. including iron and copper.
摄入过量的锌会妨碍铁和铜等其他营养成分的吸收。
An excess of zinc, for example, can interfere with absorption of other nutrients, including iron and copper.
比如,过量的锌会妨碍铁和铜等其他营养成分吸收。
Cattle, shell, beads, tobacco leaves, and various metals-including iron, zinc, bronze, and copper - have all been used as a basis of exchange.
牛,贝壳,珠子,烟叶和各种金属,包括铁,锌,铜和铜都被用来作为一种交流的基础。
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