n. 匍匐凤仙花

SSS 2009-11-20

We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

发表于:2018-12-24 / 阅读(88) / 评论(0)

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This happened more than fifty years ago, 虽然时间已经过去了50多年， but Bruhn still had a sense of amazement in his voice, as he described what they found. 但一说起这次发现，布鲁恩的语调中依旧透露出惊奇不已的感情

发表于:2019-01-01 / 阅读(36) / 评论(0)

异类:不一样的成功启示录

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Good News: Earth's Ozone Hole is Healing 好消息:地球臭氧层空洞正在恢复 There is big news about the environment: Scientists say a hole in Earths protective ozone layer is starting to heal. 一则关于环境的重磅新闻来袭：科学家

发表于:2019-01-12 / 阅读(35) / 评论(0)

2016年VOA慢速英语(七)月

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There's no reliable blood or tissue test, partly because gluten sensitivity isn't a single disease, 现今没有可靠的血液测试或组织测试来确诊，部分原因是麸质敏感不是单一疾病， and has a number of different possible ca

发表于:2019-01-17 / 阅读(49) / 评论(0)

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Plants Share Light If Neighbor Is Related A study in the American Journal of Botany finds that plants can tell if they're next to a relative and will grow to allow the kin more access to light. Cynthia Graber reports. We humans are known to help out

发表于:2019-01-30 / 阅读(98) / 评论(0)

60秒科学

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Todd: So, Rebecca, talking about your country, I hear that skin cancer is a serious problem in Australia. Rebecca: Yeah, it is. I think our environment is the cause of it in a way because we do have the beautiful beaches that you always want to go ou

发表于:2019-02-06 / 阅读(34) / 评论(0)

原版英语对话1000个

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