单语范例（未经PONS编辑处理）
In its general appearance, a casemate ironclad consisted of a low-cut hull with little freeboard, upon which an armored casemate structure was built.
en.wikipedia.org She was given a deep draught to improve her seaworthiness, but her low freeboard meant that she had very little ability to weather head seas.
en.wikipedia.org For sea passages the ship's freeboard could be increased to 3.2m ftin by use of removable bulwarks 1.1m ftin high.
en.wikipedia.org The low freeboard meant that these ships were unsuitable for ocean-going duties and were always at risk of swamping, flooding and possible loss.
en.wikipedia.org They displayed prominent surface-ship characteristics, notably high freeboard and an expansive deck structure.
en.wikipedia.org