The mixture Dr Schetz and Dr McMahon have come up with seems particularly effective against these animals, though they have yet to commercialise it.

Schetz博士和McMahon博士的混合物显得对这些生物特别有效，尽管他们还没有将其商业化。

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The mixture Dr Schetz and Dr McMahon have come up with seems particularly effective against these animals, though they have yet to commercialise it.

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According to Dr McMahon, a big part of the problem is that both species can survive out of the water for several days, so transporting a boat overland from one river basin to another, a common practice in North America, will not necessarily kill them.

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Dr. Gosnell's lawyer, John McMahon, had disputed the allegations.

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