1. During indicates within a period of time.
We slept during the day.
They practiced basketball during the summer.
2. During means at the same time as another event.
I slept during the football game.
They lived in the north during the war.
Unit
Unit : knot(kn or kt)
Formula : nautical_mile/hour
in si : 0.514444
si unit : m/sec
in cgs : 51.4444
cgs unit : cm/sec
Category : speed.
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