时间:2018-12-20 作者:英语课 分类:2016CRI中国国际广播电台


英语课

 


The four scientists -- three men and one woman -- are taking part in this experiment designed to determine how well food, water, and oxygen can be used and recycled under controlled conditions.


The test of the "controlled ecological 1 life support system" has been inspired by technology currently used in China's Shenzhou spacecraft.


Luo Jie is one of the volunteers. He says "The plants are mostly being harvested now. Many of the plants were sown earlier, and they're now in the harvesting phase. We're going to be out of our capsule soon. Not a lot has changed when it comes to the care of our plants. It's sort of the same thing every day. The plants need to be taken care of, so we take care of them every day."


The 13-hundred-40-cubic-meter sealed capsule has floor space of 370 square meters, and is divided into eight compartments 2, including living quarters, space for storage and the greenhouse.


Volunteers have cultivated 25 different kinds of plants inside the capsule, including wheat, potatoes, sweet potatoes, soybeans, peanuts, lettuce 3, edible 4 amaranth and Chinese cabbage, among others.


The plants are part of a larger ecological system that helps recycle and regenerate 5 oxygen and water, and will reduce the dependency on outside supplies.


Team doctor Tong Feizhou says they're trying to ultimately create a balance where a sealed pod could eventually become self-sustainable.


"I am mainly responsible for the last round of data collection from our experiments, as well as our medical monitoring and support. It's a huge amount of work", Tong said.


Outside of the sealed capsule, other scientists are also monitoring and observing how a hermetic environment affects people's physiological 6 changes, biological rhythms, sleep patterns and psychological health.


Tang Yongkang, another of the volunteers, says they look forward to seeing the results of their tests once they're allowed out.


"I feel excited. We're getting out of the capsule soon. We have finished about 177 days of the 180-day mission, with only a couple of days left to go. Admittedly, I'm looking forward to getting out."


More than a dozen Chinese and overseas institutions are involved in the experiment, including the Astronaut Center of China, Harvard University and the German Aerospace 7 Center.


As one might expect, the results of the experiment are considered critial to determining the viability 8 of long-term space travel. 



1 ecological
adj.生态的,生态学的
  • The region has been declared an ecological disaster zone.这个地区已经宣布为生态灾难区。
  • Each animal has its ecological niche.每种动物都有自己的生态位.
2 compartments
n.间隔( compartment的名词复数 );(列车车厢的)隔间;(家具或设备等的)分隔间;隔层
  • Your pencil box has several compartments. 你的铅笔盒有好几个格。 来自《简明英汉词典》
  • The first-class compartments are in front. 头等车室在前头。 来自《简明英汉词典》
3 lettuce
n.莴苣;生菜
  • Get some lettuce and tomatoes so I can make a salad.买些莴苣和西红柿,我好做色拉。
  • The lettuce is crisp and cold.莴苣松脆爽口。
4 edible
n.食品,食物;adj.可食用的
  • Edible wild herbs kept us from dying of starvation.我们靠着野菜才没被饿死。
  • This kind of mushroom is edible,but that kind is not.这种蘑菇吃得,那种吃不得。
5 regenerate
vt.使恢复,使新生;vi.恢复,再生;adj.恢复的
  • Their aim is to regenerate British industry.他们的目的是复兴英国的工业。
  • Although it is not easy,you have the power to regenerate your life.尽管这不容易,但你有使生活重获新生的能力。
6 physiological
adj.生理学的,生理学上的
  • He bought a physiological book.他买了一本生理学方面的书。
  • Every individual has a physiological requirement for each nutrient.每个人对每种营养成分都有一种生理上的需要。
7 aerospace
adj.航空的,宇宙航行的
  • The world's entire aerospace industry is feeling the chill winds of recession.全世界的航空航天工业都感受到了经济衰退的寒意。
  • Edward Murphy was an aerospace engineer for the US Army.爱德华·墨菲是一名美军的航宇工程师。
8 viability
n.存活(能力)
  • What is required to achieve or maintain such viability? 要达到或维持这种生存能力需要什么?
  • Scientists are experimenting to find ways to ensure the viability of seeds for even longer periods of time. 正如我们所说,科学家正在试验努力寻找让种子的生命力更加延长的方法。
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