Throughout the course or duration of: suffered food shortages during the war. (preposition)
At some time in: was born during a blizzard. (preposition)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "during" in a sentence
"When those measurements were done within more years/7, during Outumn exuinoxes was cosmic ray source visible to be near Castor and Polux/constellation Gemini,..during spring equinoxes at Aldebaran-Hyades,paralaxa of X.. ,…hamops1.szm.sk,…and other over there mentioned webs Those two areas, where are cosmic rays coming from is close to plane of ecliptic!"
"The second session provides for the suspension of an officer during the recess, and for a temporary appointment _during the recess_."
"Therefore we must probably picture to ourselves that the sensation from the strip of the retina stimulated during the quick eye-movement is, _during the interval of movement or at least during the greater part of it, localized as if the axis of vision were still directed toward the original fixation-point."