cumulus

• 指一种云，即积云，通常是浓密、白色、蓬松且底部平坦的云；也可指堆叠在一起的一堆或一团东西。

A noun referring to a type of cloud that is thick, white, and fluffy, often with a flat base, or a heap or pile of objects stacked together.

1. Cloud typeB2formal

   A type of cloud that is thick, white, and fluffy, often with a flat base, typically associated with fair weather.

   积云

   • Cumulus clouds dotted the blue sky on a sunny afternoon.
   • The weather forecast predicted scattered cumulus clouds.
   • Puffy cumulus clouds often form on warm days.

2. Pile or heapC1formal

   A collection or accumulation of objects or material stacked on top of each other.

   堆积

   • A cumulus of papers covered his desk.
   • The archaeologist found a cumulus of ancient pottery shards.
   • A cumulus of leaves gathered in the corner of the yard.

   同义词accumulationaggregationcollectionheapmassmoundpilestack