driftwood

n.

流木，浮木，（社会变动所产生的）无用的人；流送材；

1. I found this driftwood on the beach.
   我在海边发现这根漂流木。
2. I had spotted a strange piece of driftwood.
   我辨认出那是一根奇怪的浮木。

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Driftwood in Svalbard as an Indicator of Sea Ice Conditions
Driftwood: an alternative habitat for macroinvertebrates in a large desert river
Transport of Driftwood from South America to Tasmania and Macquarie Island
Driftwood as an indicator of relative changes in the influx of Arctic and Atlantic water into the coastal areas of Svalbard
Quantity, distribution, and impacts of coastal driftwood triggered by a typhoon
Changes in Driftwood Delivery to the Canadian Arctic Archipelago: The Hypothesis of Postglacial Oscillations of the Transpolar Drift
Evidence from driftwood records for century-to-millennial scale variations of the high latitude atmospheric circulation during the H...
Deciphering the impact of change on the driftwood cycle: contribution to the study of human use of wood in the Arctic
A contribution to the discussion of biota dispersal with drift ice and driftwood in the North Atlantic
Postglacial history of the bowhead whale and of driftwood penetration; implications for paleoclimate, central Canadian Arctic