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1·Fortunately, a few months later, Japan's former prime minister Shigenobu Okuma came to Shirase's rescue.

幸运的是，几个月后，前日本首相大隈重信出面拯救了白濑号。

2·The highest reading was 508 millisieverts in the town of Okuma, about 3 km from the nuclear plant.

最高辐射量出现在大隈的某镇，达到508毫希沃特，该地距核电厂3公里。