sea change

n.

突变，突发性彻底转变；

复数：sea changes

Sea change.
SEA CHANGE
Sea change
The Swan Island Connection (#2 Sea-Change)
A merica ’ s Living Oceans CHARTING A COURSE FOR SEA CHANGE A Report to the Nation
Intensive Statin Therapy — A Sea Change in Cardiovascular Prevention — NEJM
America's living oceans: charting a course for sea change
Oceans. Climate drives sea change.
Climate Drives Sea Change
Oceanography. New dead zone off Oregon coast hints at sea change in currents.
Sea change: Movement from metropolitan to arcadian Australia
Sea Change: Movement from Metropolitan to Arcadian Australia [Book Review]
The 'Expansion-Contraction' model of Pleistocene biogeography: rocky shores suffer a sea change?