长有永久性外部鳃的欧洲穴居水栖蝾螈。
European cave - dwelling aquatic salamander with permanent external gills.
沉重的感染可导致严重的鳃的损害，消瘦，贫血和死亡。
Heavy infestation can result in severe gill damage, emaciation, anemia and death.
虽然游泳者的动作可能是平稳和流畅的，但人们既没有鳍来保持漂浮或产生速度，也没有鳃用于在水下呼吸。
While the swimmer's movements may be smooth and fluid, people have neither fins to stay afloat or generate speed, nor gills to deal with going under.
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