translation.en: And you'll note there's no light coming from them right now, either because they're dead --  or because I need to stir them up in some way for you to see what bioluminescence really looks like.
translation.zh: 你能注意到现在还没有发出光来， 要不就是它们全死了--  要不就是我需要稍微摇晃它们 才能看到生物发光体是什么样子的。