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アセチレン系炭化水素: (organic chemistry) alkyne
Alkynes play a very important role in organic chemistry.
メタン系炭化水素: (organic chemistry) alkane
In chemistry class, I learned about alkanes.
(organic chemistry) alkyne
Alkynes play an important role in organic chemistry.
(organic chemistry) alkene
Alkenes play an important role in organic chemistry.
エチレン系炭化水素: (organic chemistry) alkene
Alkenes play a very important role in organic chemistry.
(organic chemistry) alkane
Alkanes are basic components of organic chemistry.
a speed bump
There is a speed bump on this road, so please be careful when driving.
political correctness
Political correctness is an important theme in modern society.
(~州) New Hampshire
My friend lives in New Hampshire.
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