jì / lù / piàn / jiè / shào / le / xī / xuè / wū / zéi / rú / hé / zài / hēi / àn / de / hǎi / shuǐ / zhōng / xún / zhǎo / shí / wù

纪录片介绍了吸血乌贼如何在黑暗的海水中寻找食物。

The documentary showed how vampire squid find food in dark seawater.