For Heimlich, we chose a local anesthetic powder that when dissolved in water and breathes across their gills, causes anesthesia in the same way that would for an air-breathing animal breathing in gas.

我们为海姆利克选择了一种局部麻醉粉末，当它溶解在水中，用鳃呼吸时，产生的麻醉效果与呼吸空气的动物吸入气体的麻醉效果相同。