它们能游泳，不像其他种类一样随波逐流。最近，澳大利亚热带毒刺研究组的科学家们发明了一种标记技术，可以追踪这种海洋杀手在水下的行踪。
They can swim (as opposed to drifting in the current) and scientists at the Tropical Australian Stinger Research Unit recently developed tagging technology to track the killers' movements underwater.
它们能游泳，不像其他种类一样随波逐流。最近，澳大利亚热带毒刺研究组的科学家们发明了一种标记技术，可以追踪这种海洋杀手在水下的行踪。
They can swim (as opposed to drifting in the current) and scientists at the Tropical Australian Stinger Research Unit recently developed tagging technology to track the killers' movements underwater.
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