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瑞典乌普萨拉大学的科研人员利用两件极为普通且成本低廉的物品——纤维素和盐研制出一种电池。这种电池可以充电,重量轻,
Researchers at Uppsala University in Sweden developed a battery using two extremely common and inexpensive materials, cellulose and salt. This battery can be charged, light weight,