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(food, medicine) expiration date
The expiration date of this yogurt is tomorrow.
メタン系炭化水素: (organic chemistry) alkane
In chemistry class, I learned about alkanes.
アセチレン系炭化水素: (organic chemistry) alkyne
Alkynes play a very important role in organic chemistry.
オレフィン系炭化水素: (organic chemistry) alkene
Alkenes, also known as olefin hydrocarbons, play an important role in organic chemistry.
(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.
性同一性障害: gender identity disorder
He publicly disclosed that he has a gender identity disorder.
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