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nerve gas
He lost consciousness due to the effects of nerve gas.
a greenhouse gas
Reducing greenhouse gas emissions is important for environmental protection.
アセチレン系炭化水素: (organic chemistry) alkyne
Alkynes play a very important role in organic chemistry.
(organic chemistry) alkene
Alkenes play an important role in organic chemistry.
(organic chemistry) alkane
Alkanes are basic components of organic chemistry.
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