benthos

不可数

A noun referring to the ecological region at the bottom of a sea or lake, including the sediment surface and sub-surface layers, as well as the community of organisms that live in or on that region.

• 🇨🇳指水体（如海洋或湖泊）底部的生态区域，包括沉积物表面及其下层，以及生活在该区域或其中的生物群落。

1. Sea bottom region C1 formal scientific

   The ecological zone at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and sub-surface layers.

   • The benthos is home to a unique community of organisms adapted to high pressure.
   • Scientists study the benthos to understand deep-sea ecosystems.
   • Pollution can severely impact the fragile benthos environment.

   🇨🇳海底区

   同义词: benthal

2. Bottom-dwelling organisms C1 formal scientific

   The flora and fauna found on, in, or near the seabed, also known as benthic organisms.

   • Crabs, starfish, and certain worms are common examples of benthos.
   • The diversity of benthos in this area indicates a healthy marine habitat.
   • Benthos plays a crucial role in nutrient cycling at the ocean floor.

   🇨🇳底栖生物

• benthos plural form
• benthos' possessive plural form
• benthos's possessive singular form