“船身宽大的”可以翻译为“with a broad/wide hull” 或者描述为“a ship with a spacious hull” 。
例如:
That boat with a broad hull can navigate through rough seas more steadily.(那艘船身宽大的船能在波涛汹涌的海面上更平稳地航行 。)
We saw a ship with a spacious hull anchored at the harbor.(我们看到一艘船身宽大的船停泊在港口。)