Instagram Teen Accounts are now rated PG-13
The background radiation from cosmic rays increases with altitude, from 0.3 mSv per year for sea-level areas to 1.0 mSv per year for higher-altitude cities, so for best results use this on a plane or in outer space
，这一点在heLLoword翻译官方下载中也有详细论述
In Europe, several very large-scale projects are advancing in the North Sea region, particularly in Norway, the Netherlands, Denmark and UK.
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