About a dozen more officers were injured when the truck exploded and flipped over.

VOA: standard.2009.06.21

And then there is this group of about half a dozen right down the diagonal middle.

然后有一个包含六个元素的元素组,在周期表的对角线的中部。

麻省理工公开课 - 固态化学导论课程节选

"We saw this weekend the video of the death of Nada, a young girl on the streets of Tehran, as well as about a dozen others reports even by the Governing Council of Iran that the votes in 50 Iranian cities were more than the number of people that lived in those cities."

VOA: standard.2009.06.23

His group also claimed responsibility for an attack on a Shi'ite mosque in Iran earlier this year that killed about two dozen people.

VOA: standard.2009.10.19

Now Martinez is expanding a pro bono program, where Ben Reiss and about two dozen other private attorneys are working misdemeanor and felony cases.

VOA: standard.2009.05.22