Complex sentence: The Terrapin was a British manufactured, amphibious armoured transport of the Second World War, first used at Antwerp in 1944, and to great effect during the Battle of the Scheldt.
Split into simpler sentences: The Terrapin was a British manufactured, amphibious armoured transport of the Second World War. It was first used at Antwerp in 1944, and to great effect during the Battle of the Scheldt.