单词：N-succinimidyl-3-2-pyridyldithio-propionate
单词：N-succinimidyl-3-2-pyridyldithio-propionate 相关文章
By Lisa Schlein Geneva 22 January 2008 The UN Children's Fund says good progress has been made in saving children's lives. UNICEF, which has just launched its annual State of the World's Children's Report, says many more children's lives can be saved
VOA标准英语2008年（一月）
Zimbabwe's main opposition leader and prime minister-designate, Morgan Tsvangirai, has named Movement for Democratic Change Secretary-General Tendai Biti to be his finance minister. Morgan Tsvangirai, leader of Zimbabwe's main opposition party, addr
VOA标准英语2009年(二月)
Less than a year ago, U.S. President Barack Obama gave a speech in Cairo, calling for a new beginning in America's relations with the Muslim world while pledging to support the advance of democracy and human rights. Secretary of State Hillary Clinton
VOA标准英语2010年(三月)
By Phil Mercer Sydney 07 March 2008 Demonstrators in Papua New Guinea tried to disrupt a visit by Australian Prime Minister Kevin Rudd. Landowners staged protests as part of a dispute over proposed mining of the Kokoda Track, a trail where Australian
VOA标准英语2008年（三月）
By Claudia Blume Hong Kong 11 December 2007 The Asian Development Bank says that governments in the region need to improve the management of water resources to avoid a crisis in water security. Claudia Blume reports from VOA's Asia News Center in Hon
VOA常速英语2007年（十二月）
Nelly: Look at that couple over there. What theyre doing is indecent! Sadat: Where? Oh, you mean those two people hugging and kissing? Thats not indecent. Nelly: Theyre not just hugging and kissing. That girl is sitting on her boyfriends lap and they
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