It was nineteen thirty-three. Only six years earlier Charles Lindburgh became famous around the world as the first person to fly alone across the Atlantic Ocean.

VOA: special.2011.04.27

So the only way I can get an unpaired is to put it alone in another orbital.

所以获得不成对电子的唯一方法是,把它放在另一个轨道上。

麻省理工公开课 - 固态化学导论课程节选

They said they only wanted to be left alone.

VOA: special.2009.10.22

And she says while both approaches have merits, each alone is only partially effective.

VOA: standard.2010.06.23

The Iranian diplomat told delegates that illicit drugs represent a serious peril to the security and stability of not only Afghanistan, but the entire region,adding that no country can fight the phenomenon alone.

VOA: standard.2009.03.27