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摘要:Rosetta Stone(罗塞塔石碑,中文译名“如师通”)是一款采用直接教学法的语言学习软件。如果你想学习美语、英语、日语或其他语言,在这个软件里只能感受到所学语言的图像、声音和文字。没有任何其他自己母语的帮助和[阅读全文]
摘要:Yellowstone National Park, established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872, is a national park located primarily in the U.S. state of Wyoming, thoug[阅读全文]