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(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.
vesper martini
He ordered a vesper at the bar.
parsnip
I am growing parsnips in my garden.
happy birthday
Happy birthday, Mr. Tanaka! I hope you have a wonderful year.
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