壅塞

shuǐ dào bèi yōng sè

水道被壅塞。

The waterway is blocked up.

shuǐ dào bèi ní shā suǒ yōng sè

水道被泥沙所壅塞。

The waterway is clogged with silt.

yōng sè liú

壅塞流

choked flow

xiǎo hé bèi dà liàng de ní shā yōng sè

小河被大量的泥沙壅塞。

The stream is blocked up with large amounts of silt.