SSS 2010-12-14
时间：2018-12-24 作者：英语课 分类：Scientific American(十二)月
This is Scientific American’s 60-Second Science. I’m Karen Hopkin. This will just take a minute.
In the spring of 1912 an iceberg 1 in the Atlantic took down the Titanic 2. Now, some humble 3 bacteria are trying to finish the job. Scientists analyzing 4 rust 5 from the sunken ship have discovered a new species of microbe that eats iron. Their findings are described in the International Journal of Systematic 6 and Evolutionary 7 Microbiology.
Researchers have been studying the Titanic’s remains 8 since they were discovered resting more than two miles beneath the ocean surface. And they’ve found that the ship has been not-so-slowly disappearing. Visitors have removed artifacts, and the hull 9 is festooned with rusticles: icicle-shaped accretions 10 of iron oxide 11, otherwise known as rust.
Nearly 20 years ago scientists took samples of that rust, and found that it harbors a mix of iron-munching microbes. Now, analyzing the DNA 12 of these organisms, researchers have catalogued more than two dozen strains of bacteria, including a new one they’ve dubbed 13 Halomonas titanicae.
The bacteria are bad news for the Titanic, which may only last another 20 years, say the scientists. The good news is such bugs 14 could be used to hasten the decay of other, less cinematic wrecks 15.
Thanks for the minute. For Scientific American’s 60-Second Science, I’m Karen Hopkin.
- The ship hit an iceberg and went under.船撞上一座冰山而沉没了。
- The glacier calved a large iceberg.冰河崩解而形成一个大冰山。
- We have been making titanic effort to achieve our purpose.我们一直在作极大的努力，以达到我们的目的。
- The island was created by titanic powers and they are still at work today.台湾岛是由一个至今仍然在运作的巨大力量塑造出来的。
- In my humble opinion,he will win the election.依我拙见，他将在选举中获胜。
- Defeat and failure make people humble.挫折与失败会使人谦卑。
- Analyzing the date of some socialist countries presents even greater problem s. 分析某些社会主义国家的统计数据，暴露出的问题甚至更大。 来自辞典例句
- He undoubtedly was not far off the mark in analyzing its predictions. 当然，他对其预测所作的分析倒也八九不离十。 来自辞典例句
- She scraped the rust off the kitchen knife.她擦掉了菜刀上的锈。
- The rain will rust the iron roof.雨水会使铁皮屋顶生锈。
- The way he works isn't very systematic.他的工作不是很有条理。
- The teacher made a systematic work of teaching.这个教师进行系统的教学工作。
- Life has its own evolutionary process.生命有其自身的进化过程。
- These are fascinating questions to be resolved by the evolutionary studies of plants.这些十分吸引人的问题将在研究植物进化过程中得以解决。
- He ate the remains of food hungrily.他狼吞虎咽地吃剩余的食物。
- The remains of the meal were fed to the dog.残羹剩饭喂狗了。
- The outer surface of ship's hull is very hard.船体的外表面非常坚硬。
- The boat's hull has been staved in by the tremendous seas.小船壳让巨浪打穿了。
- The script has been gathering editorial accretions for years. 多年来该剧本一直在修改。 来自辞典例句
- He scraped away the accretions of paint. 他刮掉了漆层。 来自互联网
- Oxide is usually seen in our daily life.在我们的日常生活中氧化物很常见。
- How can you get rid of this oxide coating?你们该怎样除去这些氧化皮？
- DNA is stored in the nucleus of a cell.脱氧核糖核酸储存于细胞的细胞核里。
- Gene mutations are alterations in the DNA code.基因突变是指DNA密码的改变。
- Mathematics was once dubbed the handmaiden of the sciences. 数学曾一度被视为各门科学的基础。
- Is the movie dubbed or does it have subtitles? 这部电影是配音的还是打字幕的？ 来自《简明英汉词典》