Noun:

1. a process in which a substance reacts with oxygen to give heat and light

2. a state of violent disturbance and excitement;

   "combustion grew until revolt was unavoidable"
   

3. the act of burning something;

   "the burning of leaves was prohibited by a town ordinance"
   

burningadj.燃烧的；热烈的；紧急的n.燃烧动词burn的现在分词.

ignitionn.点火；点火器；[化]灼热；[机]发火装置

firen.火；失火；炉火；开火；热情v.开火；解雇；点燃；急速地连续说

incinerationn.烧成灰；焚化；灰化

1. The smoke formed by their combustion is negligible.
   由它燃烧所生成的烟是可忽略的。
2. Carbon dioxide does not burn, nor does it support combustion.
   二氧化碳不能燃烧，它也不能助燃。