driftwood

详细解释:n. 漂流木, 浮木

英语解释：

名词 driftwood:

wood that is floating or that has been washed ashore

详细解释：

drift.wood

n.（名词）
Wood floating in or washed up by the water.
漂流木：在水中浮动或被水冲上岸的木头