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And even that number is likely to drop fairly rapidly.
即使是这一数字也在快速地下降。
youdao
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Time - fallout radiation loses its intensity fairly rapidly.
时间——放射性尘降物的辐射强度衰减很快。
youdao
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Time - fallout radiation loses its intensity fairly rapidly.
时间——放射性尘降物的辐射强度衰减很快。
youdao