1.Sick and starving refugees are the flotsam and jetsam of war.

1.生病和饥饿难民是而流离失所苦命人。

2.Under the bridge, you see the human flotsam and jetsam of a big city.

2.在桥下，能看到被大城市摈弃人们。

3.The beaches are wide and filled with interesting flotsam and jetsam.

3.海滩上尽是些有趣船只残骸杂物。