a boat that is seaworthy的用法和样例：
- a boat that is seaworthy; that is adapted to the open seas.
- This is a boat that never close a seashore.
- I want a boat that will take me far away from here.
- In this case, sailing off refers to going off by yourself in a boat that is naturally driven by wind.
- A car that handles well in the snow; a boat that handles poorly in rough water.