In nineteen eighty, Fossey left Karisoke and accepted a position at Cornell University in Ithaca,New York.

VOA: special.2011.01.23

It's easy to know what nucleotide to put in each position as you're going along and polymerizing a new molecule.

这使得复制过程中决定下一个核苷酸位点,应该用哪一个核苷酸更为容易

耶鲁公开课 - 生物医学工程探索课程节选

Mister Franklin accepted a teaching position at Brooklyn College in New York.

VOA: special.2009.12.27

These strong statements opposing the practice represent a new U.S.government position on the issue.

VOA: standard.2010.07.21

He says there is nothing new in the American position and that he expects a pretty calm reaction from Russia as long as the United States does not turn words into action.

VOA: standard.2010.07.05

"I want to emphasize our commitment to the Nigerian market,". "This new flight is a key part of Delta's African expansion and ensures that we maintain our position as the number one US carrier to Nigeria and more broadly to Africa."

VOA: standard.2009.06.13

"It is a double track approach,of course, to have a very clear position on sanctions, not only on Security Council, but specific new measures from the European Union on the financial side - on the oil and gas sector, in all elements that can give to Iran a very clear message that they have to move and respond to the requirements of the international community."

VOA: standard.2010.07.28