any of various chiefly african plants of the genus aloe, h**ing rosettes of succulent, often spiny-margined le**es and long stalks bearing yellow, orange, or red tubular flowers. 芦荟:一种主要产于的非洲芦荟 属植物,有...
britney jean spears(born december 2,1981)** an american singer and entertainer.born in m**s**sippi and ra**ed in lou**iana,spears first appeared on national telev**ion in 1992...
列句:the nobel prize was founded in 1895 as part of the legacy of alfred bernhard nobel,a famous swed**h chem**t and inventor of nitroglycerin explosive.worldwide,the nobel prize ** generally considered...
1991年,奥巴马在哈佛大学获得了“极优等”(拉丁文的学位荣誉,magna cum laude)法学士的学位,并回到芝加哥。1994年至2002年,奥巴马分别在芝加哥森林基金会和乔伊斯基金会的董事会任职过一段时间。 1996年,奥巴马进入政坛,当选伊利诺伊州参议员。2003年1月,奥巴马被选为伊利诺伊斯州卫生公共服务委员会**。2004年11月,他在国会选举中当选伊利诺伊州联邦参议员。 2008年...
england ** a nation in northwest europe and the largest and most populous constituent country of the united kingdom of great britain and northern ireland. its inhabitants account for more than 83% of ...