silt

淤泥、泥沙

Thick silt from the flood covered the farmland near the river.

洪水帶來的厚厚淤泥覆蓋了河邊的農田。

淤塞、堵塞常與 up 連用

The harbor had silted over the years and needed dredging.

這座港口多年來逐漸淤塞，必須進行疏浚。

淤積、淤塞

The old canal silted up and can no longer carry boats.

那條舊運河已經淤塞，再也無法通船。