单词：bidentate
bidentate的用法和样例：
词汇搭配
- bidentate ligand二合配位体,二齿配位...
- bidentate achyranthes牛膝
单词：bidentate 相关文章
VP Biden Visits Iraq Before US Troops Withdraw U.S. Vice President Joe Biden has made Tuesday a previously unannounced visit to Iraq. The vice president has been meeting with Iraqi leaders, about a month before a deadline for U.S. forces to withdraw
VOA标准英语2011年(十一月)
U.S. Vice President Joe Biden has been awarded the Presidential Medal of Freedom Americas highest civilian honor. U.S. President Barack Obama surprised Biden with the award Thursday during an emotional ceremony at the White House. Obama announced the
2017年VOA慢速英语(一)月
This is Whats Trending Today American President Donald Trump and former Vice President Joe Biden are both over the age of 70. But they recently exchanged insults that some say make them seem like school-aged children. During the 2016 presidential cam
2018年VOA慢速英语(三)月
Likely Democratic presidential nominee Barack Obama has chosen longtime Senator Joe Biden as his vice-presidential running mate. VOA's Kent Klein reports from Washington. Sen. Joe Biden listens to testimony during Senate Committee on Foreign Relatio
VOA标准英语2008年（八月）
Democratic vice presidential pick Joseph Biden will take center stage on the third day of the party's National Convention in the western U.S. city of Denver. The veteran senator from Delaware will be one of the headline speakers Wednesday night, alo
VOA标准英语2008年（八月）
With less than two weeks to go until Election Day, Democratic presidential candidate Barack Obama continued to focus on the domestic economy Tuesday, which public opinion polls show is the top issue in the campaign. But Obama's Republican opponent,
VOA标准英语2008年（十月）
Vice President Joe Biden says the United States is committed to enforcing enhanced U.N. sanctions against North Korea, despite defiant statements from Pyongyang. Vice President Joe Biden in Washington (File) North Korea says new U.N. sanctions could
VOA标准英语2009年(六月)
The current and former vice presidents of the United States sparred over terror policy Sunday on American television. Since leaving office a year ago, Dick Cheney has been one of President Barack Obama's strongest critics. He has challenged the admin
VOA标准英语2010年(二月)
U.S. Vice President Joe Biden met Friday with Lebanese leaders in Beirut, two weeks before parliamentary elections. Lebanon's Western-backed government is locked in a close electoral contest with the pro-Syrian Hezbollah and its allies. Vice Preside
VOA标准英语2009年(五月)
U.S. Vice President Joe Biden is calling for a strong and united NATO to fight terrorist threats coming from Pakistan and Afghanistan. Biden spoke at the Brussels headquarters of the Atlantic alliance, telling NATO members he is in Brussels to liste
VOA标准英语2009年(三月)
By Hilary Heuler Warsaw 22 October 2009 As Vice President Joe Biden tours Central Europe this week, missile defense is high on the agenda. In Poland on Wednesday, Biden secured an agreement to host U.S. antiballistic missiles after original plans fo
VOA标准英语2009年(十月)
The script of this programme 本节目台词 Many centuries of art can be seen at the Tate Britain museum. Vicki: Hi, and welcome to On the Town from BBC Learning English. I'm Vicki. Chen Li: 我是陈鹂，大家好，今天，我们要说说和英国一个十分有名的美术馆有
都市掠影
The script of this programme 本节目台词 A gallery big enough for everyone Andrea: Tate Modern is Britains national museum of modern art. Jean: 自从泰特现代美术馆在2000年建馆以来，已经有4百万游客到这里游览观赏。 Andrea: Today we get artistic in Londo
都市掠影
STEVE INSKEEP, HOST: He's well into his 70s, but Joe Biden doesn't seem to have lost much of his energy. The former vice president has not discouraged talk of a run for president. RACHEL MARTIN, HOST: He's promoting a book called Promise Me, Dad: A Y
2017年NPR美国国家公共电台11月
Republican Sarah Palin and Democrat Joe Biden are set to face off in a much-anticipated vice presidential debate Thursday night in St. Louis, Missouri. Voters are likely to be especially focused on Alaska Governor Palin, a newcomer to the national s
VOA标准英语2008年（十月）
By Jim Malone Washington 01 February 2007 Senator Joe Biden of Delaware is the latest Democrat to join the race for president in 2008. But Biden already finds himself on the defensive over some comments he made about one of his rivals, Illinois Sena
2007年VOA标准英语（二月）
U.S. President Barack Obama met with Israeli President Shimon Peres Tuesday, while U.S. Vice President Joe Biden was urging Israel to support a two-state solution to the Israeli-Palestinian conflict. Israeli President Shimon Peres pauses during a sp
VOA标准英语2009年(五月)
WASHINGTON, Aug. 16 (Xinhua) -- The White House on Thursday said President Barack Obama will stick to his Vice President Joe Biden as running mate, after comments by Biden prompted Republican calls for Obama to change his running mate. White House Sp
英语新闻
U.S. Vice President Joe Biden is urging Iraqi leaders to settle their political differences with the country's Sunni Muslim vice president facing charges that he plotted to kill other government officials. The White House says Biden telephoned Iraqi
英语新闻
US Vice President Joe Biden says the U.S is prepared to hold direct talks with Iran in the standoff over its nuclear ambitions. Biden made the comment at the annual Munich security conference, saying the talks will have to be real. We have made it cl
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