flotsam是什么意思？

Flotsam is rubbish, for example bits of wood and plastic, that is floating on the sea or has been left by the sea on the shore.

You can use flotsam to refer to people who do not have homes or jobs and perhaps have had to leave their own country.

You can use flotsam and jetsam to refer to small or unimportant items that are found together, especially ones that have no connection with each other.