单词：para-aminobenzoylglycine
单词：para-aminobenzoylglycine 相关文章
SCIENCE IN THE NEWS -January 22, 2002: Finding Atlantis By Jerilyn Watson VOICE ONE: This is Doug Johnson. VOICE TWO: And this is Bob Doughty with SCIENCE IN THE NEWS, a VOA Special English program ab
科技之光
More is known about the surface of the moon and the Mars than the bottom of the Earth's ocean. That's adding to the challenge of finding a missing passenger plane. First up, this Wednesday on CNN Student News, the search for Malaysia airlines Flight
CNN2014年(十)月
It was equally dismissive of convection and seafloor spreading. And in Basin and Range, published in 1980, John McPhee noted that even then one American geologist in eight still didn't believe in plate tectonics. 它同样不承认对流理论和海床
万物简史
A very little of this had been known for some time. People laying ocean-floor cables in the nineteenth century had realized that there was some kind of mountainous intrusion in the mid-Atlantic from the way the cables ran, but the continuous nature a
万物简史
Plate Tectonics and Sea-floor Spreading The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle.The lithosphere is divided
双语有声阅读