单词：
单词： 相关文章
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t
Scientific American(九)月
by Jason Marshall Weve spent the last few articles building our numerical vocabulary from the ground up. Today, were going to talk about something that sounds hard, but is actually pretty easy...and very useful too: the commutative property of additi
数学英语
blame game negative campaigning 美国选民每四年不仅要选举一位总统，而且还要选举四百三十五名国会议员、至少三十三名参议员以及在州一级和基层的许多官员
美国习惯用语
英文歌词 Listen baby I wonder why sometimes we fall apart oh yeah Together we are so wonderfull yeah baby And every single day i pray, that really things shouldnt never be this way Im only trynna be a better man Why then do you see all the negative
音乐咖啡厅
negative number (does not exist) 负数 ● His fashion IQ is so low, it's a negative number. 他对时装的智商是那么低，可说是负数。（他对时装的鉴赏力根本不存在。） ●
英文名句短语
TEHRAN, Oct. 18 (Xinhua) -- Iranian（伊朗） leaders on Monday urged for the quick formation of the Iraqi government, saying that will serve the interests of the Iraqi people and enable them to enjoy stability, security, unity and prosperity（繁荣
英语新闻