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大疱与疱疹性皮肤病 天疱疮 pemphigus 疱疹样天疱疮 pemphigus herpetiformis IgA天疱疮 IgA pemphigus 妊娠疱疹 herpes gestationis 疱疹样脓疱病 impetigo herpetiformis 掌跖脓疱
医务英语
By Al Pessin Pentagon 21 June 2006 The U.S. Missile Defense Agency is conducting a test in the Pacific Wednesday, but an official says the event was long-planned and is not related to tension over a possible North Korean missile launch. Meanwhile, t
2006年VOA标准英语（六月）
US Spending Debate Moves on to Next Phase The months-long political debate on this year's U.S. government spending ended late Friday night with President Barack Obama and lawmakers agreeing on $38 billion in cuts. But numerous officials in Washington
VOA标准英语2011年(四月)
Grammar Girl here. Today's topic is hyphens. On Monday afternoon Pat was watching the cable channel CNBC and called me over to the TV because the hosts were talking about hyphens. Yup, in the middle of a segment on the economy, they started talking a
英语语法 Grammar Girl
Who needs a house up on a hill When you can have one on four wheels And take it anywhere the wind might blow? You don't ever have to mow the yard Just hang a map and throw a dart And pray to God the engine starts and go Water and electric and a place
美国乡村音乐