The lead based paint might protect it from radiation too!
表面那层漆可能也可以保护（吸收）雷达波！
They identified four different lead-based substances, two of which were man-made, not natural.
他们鉴定出四种不同的含铅物质，其中两种是人工合成的，并非天然物质。
This has lead to your current electronically based human civilization.
这导向你们当前电子基础上的人类文明。
This has lead to your current electronically based human civilization.
这导向你们当前电子基础上的人类文明。
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