这个技术是将氧化钛作为一层置于电子释放和流动的两个区域间。
The trick is to put the titanium oxide in as a layer between the part of the cell where the electrons are liberated and the part where they are collected for dispatch into the wider world.
发生的事是这样的：在纯净的一个钛和两个氧原子组成的重复单位下，二氧化钛是一种半导体。
What was happening was this: in its pure state of repeating units of one titanium and two oxygen atoms, titanium dioxide is a semiconductor.
注意成分表中是否含有氧化锌或二氧化钛，这两者都能阻挡紫外线A和B。
Check the ingredient list for zinc oxide or titanium dioxide; both physically block UVA and UVB rays.
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