soot black

1. The soot mixed with rain and formed "black rain," according to an employee at the bureau.
   根据环保局一名工作人员的说法，这次黑雨是煤灰混夹在雨里形成的。
2. Pollution from China alone directly affects the earth's climate, both by reflecting some light to outer space ( soot and aerosols) and warming the atmosphere with black carbon particles.
   来自中国的污染物已经开始直接影响地球的气候，包括把部分阳光反射回外太空（通过煤烟和浮尘）和因黑碳粒子而使大气升温。
3. Effects of C_ ( 60), Fullerene Soot and Carbon Black on Thermal Decomposition of RDX-CMDB Propellants
   三种碳物质对RDX-CMDB推进剂热分解的影响
4. Taking the carbon black similar to soot as the test material, the oil's dispersancy is evaluated through the oil's viscosity change after blending the carbon black into the oil under high speed.
   我们采用与烟炱相类似的炭黑作为试验原料，在高速搅拌下将炭黑分散在油中，通过粘度变化来考察油品的分散性能。

noun

1. a very dark black

   Synonym:    coal blackebonyjet blackpitch blacksable