单词：Elatostema trichocarpum
单词：Elatostema trichocarpum 相关文章
Illinois' Solution to Asian Carp Invasion: Eat Them The Asian carp, a species of fish brought from China to the U.S. several decades ago, is a growing concern in the midwest state of Illinois. The number of Asian carp in the states waterways has soar
VOA标准英语2011年(九月)
South Africa's parliament has elected African National Congress deputy president Kgalema Motlanthe as the third post-apartheid president of the country. VOA's Delia Robertson reports from our Johannesburg bureau, the new president made it clear he d
VOA标准英语2008年（九月）
By Scott Stearns White House 24 January 2007 U.S. President George Bush wants Americans to cut their use of gasoline by 20 percent over the next 10 years. VOA White House Correspondent Scott Stearns reports, it is the cornerstone of a new energy poli
2007年VOA标准英语（一月）
Asian Carp now outnumber native fish in many areas of the United States and their expansion particularly threatens the fragile ecosystems of the Great Lakes. In an effort to control algae growth, catfish farmers in the southern United States introduc
VOA标准英语2010年(七)月
Commerical fisherman Chad Isaak and a partner haul in a boatload of invasive Asian Carp, Jul 2010 The multi-billion-dollar commercial fishing industry in the Great Lakes region of the United States employs more than 800,000 people, but is threatened
VOA标准英语2010年(七)月
Warning: This is a rather scary story, particularly if you are a very small tadpole. Halloween is the most frightening night the year, or it is the most scrummy night of the year, depending on whether you are on the right end of a trick or a treat. P
Children’s Stories-儿童故事集