单词：initial species
单词：initial species 相关文章
Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.
火星生命
ENVIRONMENT REPORT-January 4, 2002: Mystery Squid By Cynthia Kirk Squid found in the Indian Ocean (Photo -NOAA/Science) This is the VOA Special English ENVIRONMENT REPORT. Scientists have discovered a
健康与环境
When summer hits, I dread jogging outside. But a study finds that elephants can be in true danger in the heat. As creatures get bigger, they have smaller surface area to body volumn ratios. Fully-grown Asian eleplants thus pack a lot of mass into a b
Scientific American(五)月
Well then, when you dive under the waves, Ned, for every thirty-two feet of water above you, your body is tolerating the pressure of one more atmosphere, in other words, one more kilogram per each square centimeter on your body's surface. 尼德兰，好
《海底两万里》中英双语有声读物
HONG KONG, Sept. 9 (Xinhua) -- The Hong Kong Polytechnic University (PolyU) announced Friday that its surveying experts had successfully developed methodologies for precise mapping of the Moon, after intensive analysis of the data captured by the Chi
英语新闻
New Words practice n.惯例 superstition n. 迷信 expel vt. 驱逐；开除 remedy vt. 补救；治疗；纠正 potential n.可能性； sneezer n. 打喷嚏者；鼻子 plague n. 瘟疫；灾祸； The practice of blessing someone after a sneeze is
卡卡课堂早餐英语