an inland waterway capable of accommodating seagoing ships
海船内陆水道。
a natural channel connecting two areas of sea
海路。
a route across the sea used by ships
海上航道。
[ in sing.]a rough sea in which to sail
(行船的)汹涌海面
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with the engine mounted amidship, the boat pitches less in a seaway .把发动机装在船中央,在汹涌的海面上船就不那么上下颠簸了。