擁塞 [拥－]

Jyutping jung2 sak1
Pinyin yǒng sè

Definitions (Wiktionary)
  1. verb
    to jam; to congest

擁塞 [拥－]

Jyutping jung2 sak1
Pinyin yōng sè

Definitions (CC-CEDICT)
  1. to be clogged up
  2. to be congested (traffic, computer network etc)