de olefine (n)
― FormOf ⟶
Weight: 1.0
de olefin Source: English Wiktionary
de olefinen (n)
― FormOf ⟶
Weight: 1.0
de olefin Source: English Wiktionary
de olefins (n)
― FormOf ⟶
Weight: 1.0
de olefin Source: English Wiktionary