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n. 气味，香味，痕迹
vt. 闻出，发觉，使
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- The death of coral reefs in Australia may be doing more than wiping out habitats for fish: It may be changing their behavior.
- 澳大利亚珊瑚礁的死亡可能不仅仅摧毁鱼的栖息地，可能会改变它们的行为。
- Researchers recently put young fish in controlled environments, half with healthy coral and the other half with bleached coral.
- 研究人员最近将幼鱼放在受控环境中，一半是健康的珊瑚，另一半是漂白的珊瑚。
- Then they exposed them to a chemical that fish release when they're attacked.
- 然后，他们放入鱼儿受到攻击时释放的化学物质。
- Young fish sense this alarm signal and associate it with the predator.
- 幼鱼感觉这个报警信号，并将其与捕食者联系在一起。
- The problem is for one species of fish tested, only those in the living-coral environment hid when the chemical was released by researchers.
- 问题是对一种鱼进行测试，当研究人员释放化学物质时，只有生活在活珊瑚环境中的鱼会躲藏。
- "Their counterparts on dead coral failed to pick up the scent," one researcher said.
- 一位研究人员表示：“生活在死亡珊瑚上的鱼没有闻到气味”。
- The study says it's unclear whether these fish just didn't respond appropriately to the hypothetical predators
- 这项研究指出，目前还不清楚这些鱼只是对假设的捕食者未能做出适当的反应，
- or if they actually failed to learn what to do in case of an attack.
- 或者它们没能在攻击的情况下学习该怎么办。
- Australia's Great Barrier Reef is suffering a massive bleaching event right now.
- 澳大利亚的大堡礁现在正遭受大规模的漂白。
- If fish's survival instincts are lost with it, a lot of Australia's biodiversity is at stake.
- 如果鱼的生存本能随之消失，澳大利亚的生物多样性面临危险。
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