Police say they recovered a pair of AK-47 rifles, two grenades,ammunition,false passports and other counterfeit identification from two men suspected of belonging to the group Hizbul Mujahideen.

VOA: standard.2009.08.07

And they remain two atoms per ion pair discretely bombing around in the gas phase.

每个离子对中仍含有两个院子,分散得分布于气相中。

麻省理工公开课 - 固态化学导论课程节选

And they remain two atoms per ion pair discretely bombing around in the gas phase.

每个离子对中仍含有两个院子,分散得分布于气相中。

麻省理工公开课 - 固态化学导论课程节选