sudd
sudd — noun
1. Thick masses of water plants, such as papyrus and reeds, that float on rivers in
Thick masses of water plants, such as papyrus and reeds, that float on rivers in South Sudan and sometimes block the flow of water completely.
The boat could not move forward because a wall of sudd blocked the entire river.
sudd as physical barrier: 'wall of sudd'
Satellite images show large areas of sudd drifting slowly down the White Nile.
Otis and his team used machetes to cut a narrow path through the sudd.
Heavy rain caused pieces of sudd to break loose and drift toward the dam.
Local fishers know the channels that stay free of sudd even in the dry season.
- vegetation mat
A more general term for any floating layer of plants; sudd specifically refers to Nile-region masses.
- plant blockage
Describes the effect rather than the material; less precise than sudd.
- open water
The condition that sudd prevents or replaces.
文法句型
sudd + verb (blocks / clogs / drifts)
用法筆記
Uncountable noun that refers to the plant matter as a collective mass, not individual plants. Frequently used with verbs of blocking or obstructing (clog, choke, block).
常見錯誤
2. A huge area of swamps and marshland in South Sudan, created where the White Nile
A huge area of swamps and marshland in South Sudan, created where the White Nile spreads out and is partly choked by thick floating plant growth.
The Sudd covers an area larger than the entire country of Portugal.
scale: 'covers an area larger than [country]'
Scientists study how the Sudd affects the flow of water to the lower Nile.
Many bird species spend the winter in the wetlands of the Sudd.
Plans to drain parts of the Sudd for farming have caused debate among conservation groups.
The Sudd makes travel by road almost impossible in that part of South Sudan.
文法句型
the Sudd + verb
用法筆記
Always capitalized as a place name. Usually preceded by the definite article (the Sudd). Distinguish from sense 1 (lowercase sudd), which refers to the vegetation itself rather than the geographic region.