de alken (n)
― Synonym ⟶
Weight: 2.0
de olefin Sources: German Wiktionary and English Wiktionary
ja アルケン (n)
― Synonym ⟶
Weight: 2.0
de olefin Source: JMDict 1.07
de olefin (n)
― Synonym ⟶
Weight: 1.0
de alken Source: English Wiktionary