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[00:04.49]Scientific Attitudes [00:06.97]科学的态度 [00:09.46]Science had its beginning when man started asking questionsabout his environment. [00:14.18]科学起源于人类开始对自身环境产生疑问的时候. [00:18.91]He wondered where the sun went at night an
Idiom: Off the record 非正式的,不记录下来的事 Hit the book: Likelihood Strain Incorporate Well-being Complement Be consistent with Hypothesis
The International Day for Biological Diversity, sometimes called World Biodiversity Day, is a United Nations holiday based on biodiversity issues. It started in 1993 and is held on May 22. This is the date of the Rio Earth Summit of 1992. This was a
Conversation:contraction of “I am”-“I‘m”—在线英语听力室
Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience