• Interestingly, there are clams and snail shells; but, no fossils of fish.

    有趣是,那里蛤蜊蜗牛但是没有鱼的化石

    youdao

  • There are fish and snails that eat starfish, particularly the giant triton snail, which is the main predator of the starfish.

    有些蜗牛海星为食,特别是巨型法螺蜗牛海星主要天敌

    youdao

  • Methods The influencing factors to the effective duration of niclosamide in water and soil was investigated by the snail immersion method and the fish toxicity test .

    方法浸泡杀螺试验试验,观察氯硝水体土壤时间及其影响因素

    youdao

  • Methods The normal test of killing snail and acute toxicity test to fish and mouse were carried out in laboratory.

    方法进行了常规试验鱼类急性毒性试验以及急性经口毒性试验。

    youdao

  • Methods The normal test of killing snail and acute toxicity test to fish and mouse were carried out in laboratory.

    方法进行了常规试验鱼类急性毒性试验以及急性经口毒性试验。

    youdao

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