Many kinds of mosquitoes are most active in the early morning and early evening.

VOA: special.2009.05.26

And you see where the most electronegative elements are, and fluorine is the most electronegative of the active elements.

你找一下电子力最大的元素在哪，氟是活泼元素中,电子力最大的。

麻省理工公开课 - 固态化学导论课程节选

Currently the virus is most active in the northern half of the world.

VOA: special.2009.11.11

Currently,the virus is most active in the northern half of the world.

VOA: special.2009.11.24

Stay in an enclosed area when mosquitoes are most active.

VOA: special.2009.05.26

"Compared to the most active group of women." During the study, the average weight of the participants went up by six pounds, or 2.7 kilograms.

VOA: standard.2010.03.30

The researchers were able to see which parts of their brains were most active.

VOA: standard.2009.12.19

"The most vocal and most active members of both political parties, on the Democratic side they tend to be the most liberal and on the Republican side they tend to be the most conservative."

VOA: standard.2010.05.04