青海省英文介绍 Qinghai Province is a sparking jewel set on the northwest plateau of China, wherein the Yangtze River, the Yellow River as well as the Mekong River take their source. The scenic qual... /
2010-06-08 / 查看
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大众英语80篇背诵阅读带翻译(三十三) "66 Plants in the Deserts Some cacti, like the saguaro, grow to tree size, but true trees need more moisture than most desert environments can supply, so the... /
2010-06-08 / 查看
239 次