1、
2、
You can easily verify these conclusions if you happen to have a piece of polaroid.
如果你手头有一片偏振片,就容易证实上面这些结论.
词典精选例句
3、
Polaroid was a strident protector of both its trademark and its patents.
宝丽莱对于它的商标以及专利是一个强烈的保护者.
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