用pregnant sow造句子,“pregnant sow”造句
來源:國語幫 2.39W
It spread among pregnant sows in Newton Grove, N.C., causing them to abort their litters, and then to swine in Texas, Iowa and.
The bio-safety of the recombinant fowlpox virus in pregnant sows
It spread among pregnant sows in Newton Grove, N.C., causing them to abort their litters, and then to swine in Texas, Iowa and.
The bio-safety of the recombinant fowlpox virus in pregnant sows