silt
silt
noun
siltation
noun
silty
( )
adjective
语源
noun
- [mass noun]fine sand, clay, or other material carried by running water and deposited as a sediment, especially in a channel or harbour
（流水冲积的）泥沙，淤泥
■[count noun]a bed or layer of such material
粉砂尘；泥沙层
■(technical)sediment whose particles are between clay and sand in size (typically 0.002–0.06 mm)
(技)粉砂
- [no obj.]become filled or blocked with silt
淤塞
the river's mouth had silted up.
河口淤塞了。
[as noun silting]the silting of the river estuary.
河口淤塞。
■[with obj.]fill or block with silt
使淤塞
siltation
noun
silty
( )
adjective
语源
- late Middle English: probably originally denoting a salty deposit and of Scandinavian origin, related to Danish and Norwegian sylt 'salt marsh', also to salt
考试词汇表
