dense

• 形容某物结构紧密、浓度高，或形容人理解能力差、反应迟钝。

Describes something that is closely compacted in substance, or a person who is slow to understand.

1. Thick or compactB1formal

   Having parts that are closely packed together; thick or heavy in consistency.

   稠密的

   • The forest was so dense that sunlight barely reached the ground.
   • The cake was too dense and heavy.
   • Dense fog made driving very dangerous.

   同义词closecompactcrowdedheavyimpenetrablepackedsolidthick

   反义词looseporousscatteredsparsethin

2. CrowdedB1formal

   Containing a lot of people or things in a small area.

   密集

   • The city center is very dense with tourists during summer.
   • Dense populations often face housing shortages.
   • The crowd was so dense that we could barely move.

   同义词congestedcrowdedjammedpackedpopulousteemingthronged

   反义词scatteredsparsethin

3. Slow to understandB2informal

   Used informally to describe someone who is slow to learn or understand.

   笨的

   • He's a bit dense when it comes to math.
   • Don't be so dense; I explained it twice already.
   • She felt dense for not understanding the joke.

   同义词dimdullobtuseslowstupidthick

   反义词brightcleverquicksharpsmart