| 淤 |
yū sè | choked with silt / silted up |
| 淤 |
yū | silt / river sludge / to silt up / choked with silt / variant of 瘀 |
| 塞 |
sāi | to plug; to stop up; to stuff in / (bound form) a stopper; a cork |
| 塞 |
sài | (bound form) strategic stronghold |
| 塞 |
sè | (bound form) to block; to obstruct |