单词：black streaked dwarf virus of rice
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Most plants capture sunlight. And the results are usually green. Because in photosynthesis, plant chlorophyll uses wavelengths of blue and our sun's ab
Scientific American(四)月
In the high lands, people spend words as if they were golden coins. But the custom is strong there: strangers who ask for hospitality must be granted it, though you have a blood feud against them and their clan or kind. The womanlittle more than a gi
英文短篇小说
He forbade it. He did not want his enemies to know that he was dying. 是他不准，他不想让敌人知道自己将不久人世。 With the realm so troubled, he feared that if the Lannisters suspected how frail he was... 眼下王国如此动乱，
冰与火之歌系列之《权力的游戏》
Science and technology 科学技术 Table-top astrophysics 桌面上的天体物理学 How to build a multiverse 怎样构建多元宇宙 Small models of cosmic phenomena are shedding light on the real thing 微小模型逐步揭开宇宙中各种现象
经济学人科技系列
Science and technology 科学技术 Table-top astrophysics 桌面上的天体物理学 How to build a multiverse 怎样建立一个多元宇宙 Small models of cosmic phenomena are shedding light on the real thing 宇宙现象的一些小模型反映了
经济学人科技系列
The sun was going down as the three ponies galloped forhome. The deep blue sky was streaked with golden red light. Back at the Lakota camp, the circle of tepees glowed in thesetting sun. People were gathered around a large fire. Black Hawk led Jack a
汪培珽儿童英文分级书单《神奇树屋》