单词：negative ion sourse
单词：negative ion sourse 相关文章
Today were going to get a bit negative by looking at the various times you can use the word nor. Nor with Neither Everybody knows that neither and nor are bosom buddies. They require balance. A nor usually follows a neither when they're used in the s
英语语法 Grammar Girl
Grammar Girl here. Today, Bonnie Trenga will help us choose better transition words. This article could make you a tad hungry, because today were comparing the art of writing to the art of making a sandwich. In fact, just for today, we might need to
英语语法 Grammar Girl
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
Lion Bones Used for Phony Aphrodisiacs A new ad campaign is underway in South Africa to stop the countrys lion bone trade. Lions are killed so their bones can be used to make fake aphrodisiacs and traditional medicines. The demand for the bones is gr
VOA标准英语2012年(八月)
Grammar Girl here. This week we have a new guest writer, Rob Reinalda, who is going to help us look at something called a false series. You may ask, What the heck is that? Well find out in a moment. A Parallel Construction Problem: the False Series A
英语语法 Grammar Girl
By Barry Wood Washington 09 May 2008 Home sales remain weak in the United States, a development some economists say will prolong the slowdown in economic growth that began last October. VOA's Barry Wood has more. Treasury Secretary Henry Paulson said
VOA标准英语2008年（五月）