单词：vestibular rami
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By Deborah Block Washington, DC 09 February 2006 watch Human Rights report A recent documentary film focuses on the lack of human rights in Iran.
发表于:2019-01-09 / 阅读(154) / 评论(0)
2006年VOA标准英语（二月）
2006年VOA标准英语（二月）
What makes people dizzy when they spin? Rolling down a hill or spinning around in endless circles causes dizziness or vertigo because hair-like sensory nerve cells in our ears send wrong messages to our brain. The motions of our bodies are detected b
发表于:2019-02-13 / 阅读(94) / 评论(0)
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