单词:to exist in both tropical and subtropical zones
单词:to exist in both tropical and subtropical zones 相关文章
The earths tropics teem with species. Theyre far more biologically diverse than the cooler parts of the planet. And scientists have credited higher temperatures and greater amounts of sunlight. But a new study claims that the secret to tropical biodi
SCIENCE IN THE NEWS - The Search for DNA from A Creature That May Not Exist BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. BARBARA KLEIN: And Im Barbara Klein. Today we tell about an appeal for genetic material from
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Voice 1 Hello and welcome to Spotlight. Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 It feels like jumping into