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此病毒曾经从和受传染猪接触的大鼠中分离出来。
The virus has been recovered from rats in association with infected swine .
youdao
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此病毒从和受传染猪接触的大鼠中分离出来。
The virus has been recovered from rats in association with infected swine.
youdao
-
此病毒从和受传染猪接触的大鼠中分离出来。
The virus has been recovered from rats in association with infected swine.
youdao