美国科学60秒 SSS 2013-01-29
时间：2018-12-24 作者：英语课 分类：Scientific American(一)月
This is Scientific American 60-second Science,I'm Gretchen Cuda Kroen,got a minute?The last time you splurged on a live lobster 1 for dinner ,you might not have given any thought to how much the little guy was going to suffer as he boiled to death.Until recently,many researchers believed the crustacean 2 nervous system too primitive 3 to process pain.But scientists at Queen's University in Belfast now think that crustaceans 4 may be more sensitive to pain than previously 5 thought.The researchers used crabs 6 as their test animals and they found that crabs that experienced electric shock when they hid under a safe,dark rock would eventually learn to avoid the hiding place.And that avoidance is key,the animal's ability to remember the unpleasant shock and avoid it is consistent with the ability to feel and remember pain.If the behavior was merely a reflex,the critters would continue to visit the shelter.The study is in the Journal of Experimental Biology.The situation is likely the same with lobsters,so before you break out the bibs and melted butter,it's may be nice to put our future dinner on a little anesthetic 7 ice.
Thanks for the minute for Scientific American 60-second Science,I'm Gretchen Cuda Kroen.
- The lobster is a shellfish.龙虾是水生贝壳动物。
- I like lobster but it does not like me.我喜欢吃龙虾，但它不适宜于我的健康。
- Seafood is a valuable lobster crustacean section.名贵海珍品龙虾属甲壳科。
- The illustrious Cuvier did not perceive that a barnacle was a crustacean.大名鼎鼎的居维叶也未看出藤壶是一种甲壳动物。
- It is a primitive instinct to flee a place of danger.逃离危险的地方是一种原始本能。
- His book describes the march of the civilization of a primitive society.他的著作描述了一个原始社会的开化过程。
- These crustaceans provide a valuable food source for some fish. 这些甲壳纲动物是某些鱼类重要的食物来源。 来自《简明英汉词典》
- When the tide ebbs it's a rock pool inhabited by crustaceans. 退潮时，它便成为甲壳动物居住的岩石区潮水潭。 来自辞典例句
- The bicycle tyre blew out at a previously damaged point.自行车胎在以前损坏过的地方又爆开了。
- Let me digress for a moment and explain what had happened previously.让我岔开一会儿，解释原先发生了什么。
- As we walked along the seashore we saw lots of tiny crabs. 我们在海岸上散步时看到很多小蟹。 来自《简明英汉词典》
- The fish and crabs scavenge for decaying tissue. 鱼和蟹搜寻腐烂的组织为食。 来自《简明英汉词典》
- He was given a general anesthetic.他被全身麻醉。
- He was still under the influence of the anesthetic.他仍处在麻醉状态。