subsidence
	英 [səb'saɪd(ə)ns; 'sʌbsɪd(ə)ns]
美[səb'saɪdns]
	    
    英英释意
	
	- 1. an abatement in intensity or degree (as in the manifestations of a disease);
- "his cancer is in remission"
- 2. a gradual sinking to a lower level
- 3. the sudden collapse of something into a hollow beneath it