subsidence

• 名词，指地面逐渐下沉或下陷的现象；也指强度或严重程度的减弱，例如疾病症状的消退。

A noun referring to the gradual sinking or settling of the ground's surface, or a decrease in intensity or severity, such as in the symptoms of a disease.

不可数

1. Abatement of symptomsC1formalmedical

   A decrease in the intensity or severity of a disease's signs or symptoms.

   症状减退

   • The patient experienced a gradual subsidence of the fever.
   • Doctors noted a subsidence in the inflammation after treatment.
   • The subsidence of the cough allowed him to sleep through the night.

   同义词abatementalleviationlesseningmitigationpalliationreductionreliefremission

   反义词aggravationexacerbationflare-upintensificationworsening

2. Gradual sinkingB2formal

   A slow downward movement or settling of a surface, typically the ground.

   沉降

   • The subsidence of the road was caused by heavy rainfall.
   • Engineers monitored the subsidence of the building's foundation.
   • Coastal areas are prone to land subsidence over time.

   同义词descentdropsettlementsettlingsinking

   反义词elevationriseuplift

3. Sudden collapseB2formal

   The abrupt sinking or caving in of a structure or landmass into a cavity beneath it.

   突然塌陷

   • The mine's subsidence created a large sinkhole in the field.
   • Subsidence of the old tunnel caused the road above to collapse.
   • Geologists warned about the risk of subsidence in the area.

   同义词cave incollapse