Complex sentence: During the final approach, the plane descended along the ILS glideslope until at about 700 ft, when the crew gained visual with the runway, the crew disengaged the autopilot but left the autothrottle on.
Split into simpler sentences: During the final approach, the plane descended along the ILS glideslope until at about 700 ft, the crew visually acquired the runway. They disengaged the autopilot but left the autothrottle on.