淤泥

yūní

HSK 7

Character Breakdown

Understanding 淤泥 (yūní)

淤泥 refers to silt or mud that accumulates, often at the bottom of rivers, lakes, or construction sites. It is a common term in environmental, geological, and construction contexts.

Usage and Context

淤泥 usually describes thick, soft sediment that can obstruct water flow or make movement difficult. It often appears in discussions about riverbeds, sedimentation, and ecological changes.

Common Collocations

  • 淤泥 (riverbed silt): describes sediment accumulation affecting water flow.
  • 淤泥 (silt deposition): used in environmental science to discuss sediment buildup.
  • 淤泥 (thick silt): emphasizes the density or volume of the mud.

Nuances

When using 淤泥, speakers often imply a problematic or obstructive quality, such as hindering construction or altering ecosystems. It is more specific than just (mud), highlighting the accumulation and sediment nature.

Avoiding Confusion

Do not confuse 淤泥 with (níjiāng), which refers more to slurry or muddy water. 淤泥 emphasizes sediment that settles and accumulates rather than suspended mud.

Example Sentences

河底积满了厚厚的淤泥,影响了水流。

Hé dǐ jī mǎn le hòu hòu de yūní, yǐngxiǎng le shuǐliú.

The riverbed is filled with thick silt, affecting the water flow.

施工现场的淤泥让工人们行动非常困难。

Shīgōng xiànchǎng de yūní ràng gōngrén men xíngdòng fēicháng kùnnán.

The mud at the construction site makes it very difficult for the workers to

淤泥沉积是河流生态系统变化的重要因素。

Yūní chénjī shì héliú shēngtài xìtǒng biànhuà de zhòngyào yīnsù.

Silt deposition is an important factor in changes to river ecosystems.