The lighting in the amoeba-shaped room now shifts periodically, and abruptly, from dawn to midday to dusk to midnight.

The Ancient Era was a time of tenable peace with only minor conflicts as alliances, rivalries, and enmities periodically shifted.

I discovered that it helped to periodically shift which foot I was putting the weight on.

From the beginning, the tone is viciously combative, periodically shifting into physical violence.

As the local prey eventually learn to avoid the stationary predator, the shark periodically shifts at night to a new site several kilometers away.

This is proven by driving the Gen-2 uphill, where drivers who drive the manual transmission version have to periodically shift between 2nd gear and 3rd gear.

Overhead, a flock of snowy inari birds flew in geometric formation that shifted periodically against gathering darkness.

Beneath the rocks, the earth periodically shifted and shuffled, causing tremors on the surface.

Instead, it periodically shifts part of its internals to layer fifteen, where they transmit a very short burst.

Later, the balance of power would shift periodically as each side obtained improved aircraft.