说句题外话，我现在波兰语的流利程度可以轻松达到自己定义的第三等级。
As an aside, I can now easily achieve my self-defined Level 3 of Fluency in Polish.
如果我的塞思没有把我打得青一块紫一块，那么他就一定是一个地地道道的第三等级的塞思。
If my Seth didn't beat me black and blue, then he must be an absolutely third-class Seth.
在接下来的两个月中它已基本上达到33毫西弗特，或者达到工人所能够在核事故工作一年的第三等级。
In two months it had reached almost 33 millisieverts, or a third the level normally permissible for those working on a nuclear accident in a year.
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