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Oh, I get it. Like the darker it gets, the more the fish needs light, right?
噢，我明白了。就像是環境越暗，魚就越需要光，對吧？
Well, bioluminescence serves a number of functions.
嗯，生物發光有好幾種作用。
Most aquatic organisms use it for communication and for attracting prey.
絕大多數水生生物以此交流和誘捕獵物。
But jellyfish usually use it as a defense against predators.
但水母一般用生物發光來防御捕獵者。
Some jellyfish produce bright flashes of light that confuse predators, to, uh, to startle them.
一些水母會發出明亮的閃光，來迷惑敵人，就是嚇唬敵人。
But jellyfish closer to the surface, probably like the jellyfish you saw, they use bioluminescence to hide.
但在更接近水面處生活的水母，很可能就是你看見的水母，它們通過生物發光隱藏自己。
The light they produce matches the color of the dim sunlight, so they blend in, and, uh, and predators can's see them.
它們發出來的光和昏暗的陽光顏色一致，所以它們就與之融為一體，捕食者就看不見水母了。
Wow, really?
哇，真的嗎？
Well, I am looking for a topic for my term paper, so maybe I could do it on these glowing jellyfish.
我在為我的學期論文尋找課題，也許我能針對這些發光的水母寫篇論文。
That's why I wanted to ask you about them, you know, to find out if there was really something to write about.
這就是我想問你的原因，我想知道這方面是否真的有料可寫。
It's a great topic. But you'll have to make sure the topic is manageable.
這個課題棒極了。但你要確保這個課題你能掌控。
Like I said, about half of all jellyfish are bioluminescent, so you may want to look at a particular type of jellyfish or several types that benefit form bioluminescence in the same way.
就像我說的，大約一半的水母能發光，所以你可能要調查某種特定的水母，或是其生物發光的好處相差無幾的幾種不同水母。
Or you could investigate current research on bioluminescence, on, on the chemical process, or... Here's an idea.
又或者，你可以看看近期對生物發光的研究，比如其化學過程。我有個主意。
You seem to be very involved in local issues.
你看起來很關心本土問題。
See if you can identify the jellyfish you observed on the beach and how they fit into the local ecosystem.
你可以試試能不能辨認出你在沙灘看到的水母，并查出這些水母是怎樣融入當地的生態系統的。
Yeah, you know, some of the environmental groups I met last week might even be able to help me .
你知道嗎，上周我見到的一些環境組織說不定能在這方面幫我一把呢。
