vegetation

• 指某一地区或某一时期所有植物的总称，也指植物生长的过程；还可形容异常生长物或类似植物般被动、单调、无生气的状态。

A noun referring to the collective plant life in a particular region or period, or the process of growth in plants. It can also describe an abnormal growth or excrescence, or a state of passive, monotonous inactivity comparable to plant life.

不可数

1. Plant life in a regionB1formal

   All the plants and trees that grow in a specific area or during a particular period.

   植被

   • The tropical rainforest is known for its dense vegetation.
   • Desert vegetation is adapted to survive with very little water.
   • The region's vegetation changes dramatically with the seasons.

   同义词floragreenerygrowthherbageplant lifeverdure

2. Process of plant growthB2formalscientific

   The biological process by which plants grow and develop.

   植被生长过程

   • Proper sunlight is essential for healthy vegetation.
   • The vegetation of the crops was monitored closely by the farmers.
   • Nutrients in the soil support the vegetation of new plants.

   同义词buddingdevelopmentgerminationgrowthsprouting

3. Abnormal growth (medical)C1formalmedical

   An abnormal growth or lump, such as a wart-like growth on a body part, especially on heart valves.

   赘生物（医学）

   • The echocardiogram revealed vegetation on the mitral valve.
   • Infective endocarditis can cause vegetation on heart valves.
   • The surgeon removed the vegetation from the patient's heart.

   同义词excrescencegrowthlumpoutgrowth

4. Passive inactivityC2formal

   A state of being inactive and monotonous, similar to the passive growth of plants.

   消极无为

   • After retirement, he fell into a life of vegetation, doing nothing all day.
   • She criticized the vegetation of the unemployed youth in the town.
   • His daily routine was one of pure vegetation, watching TV from morning to night.

   同义词idlenessinactivitylanguorpassivitystagnationtorpor