Also,the root can stay in the ground for as long as three years, so it can be harvested as needed.

VOA: special.2010.06.08

So, for example, we could talk about the n equals 2 state, so that's this state here, and it's also what we could call the first excited state. So we have the ground state, and if we excite an electron into the next closest state, we're at the first excited state, or the n equals 2 state.

例如，我们可以考虑n等于2的状态，它在这里，它也被称作是第一激发态,我们有基态，如果我们把一个电子,激发到它最近邻的态,那就是第一激发态，或者n等于2的态。

麻省理工公开课 - 化学原理课程节选

It has also sung at the White House, the Kennedy Center and at Ground Zero in New York City.

VOA: special.2009.11.13

They also suggest actions like providing protective boots to wear while working in fields, and not sleeping on the ground.

VOA: special.2010.01.25

We also advise you to keep your ear to the ground.

VOA: special.2009.09.13

There is also ground turkey that people cook like hamburgers.

VOA: special.2010.05.28

"What is necessary in this case is a collective effort, not only by the researchers and the people on the ground, but also the donor community, because controlling those two diseases can go a long way in improving people's food security and livelihoods in Sub-Saharan Africa."

VOA: special.2009.09.21

We need to educate midwives , to be training them and also to be providing services on the ground."

VOA: standard.2010.06.15

The normally reliable fast train link connecting London and Paris also has ground to a halt.

VOA: standard.2009.12.21

The result has been some progress on the ground, but also a sharp increase in U.S.casualties, with more than in just the last three months.

VOA: standard.2009.09.22

"We also have reports of civilian casualties, but the info we have from the Afghan National Army on the ground is that it is believed that that was caused by insurgent mortar fire,".

VOA: standard.2009.09.12

During an appearance on the NBC television program Meet the Press, Specter said he would also like to see the president reach beyond the federal court system - the traditional training ground for members of the high court.

VOA: standard.2009.05.03