下沉 [－－]

Jyutping haa6 cam4
Pinyin xià chén

Definitions (CC-CEDICT)
  1. to sink down
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. verb, of the ground
    to subside; to cave in
  2. verb, of a boat or ship
    to sink
  3. verb, neologism
    to move down into a lower-tier market