单词：pyrimidine(Py)
单词：pyrimidine(Py) 相关文章
[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: The game is won when you reach the level target or earn more money than your opponent. You must constantly upgrade your restaurant to maintain customers and revenue. If yo
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Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
国家地理2008年
VOA2004（上）--各类新闻
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
自然百科2008年
Hi! This is Stever Robbins, host of the Get-it-Done Guys Quick and Dirty Tips to Work Less and Do More. Grammar Girl is working on her book this week and since I do a lot of public speaking, she asked me to talk about how to use similes and metaphors
英语语法 Grammar Girl
今天我们要学的词是，limited。 Limited, 是有限的意思。拉美裔移民在维吉尼亚州的王子威廉姆斯县罢工一天，The one-day work boycott appeared to have a limited effect on businesses in the county. 但似乎并没有对
英语单词荟萃