Correct

淤泥

/ yūní / 
Strokes

Definition

silt/sludge/ooze

Example

As a Noun

silt; sludge; ooze

1
Xiàn
陷
jìn
进
yūní
淤泥
lǐ
里

settle in the mud

2
Wājué
挖掘
húde
湖底
yūní
淤泥

dredge up lake-bottom silt

3
Qīngchú
清除
yūní
淤泥

clean up the muddy deposit

4
Jī
积
le
了
yī
一
céng
层
yūní
淤泥

be covered with a layer of silt

5
Jī
积
mǎn
满
yūní
淤泥

become filled with silt

6
Gōngyè
工业
yūní
淤泥

industrial silt

7
Chénjī
沉积
yūní
淤泥

deposit silt