translation.en: The battery-powered Spyfish sends the live video-feed through a slender cable.) DK: This slender cable was a huge technological advancement and it allowed the whole thing to be the size that it is.
translation.zh: 强劲的电池使得Spyfish能够通过一根细长的缆线传送实时视频。） 大卫：这根细长的缆线是一项巨大的技术进步， 它使得一切都能以原貌展示，栩栩如生。