fr oxygène
― PartOf ⟶
Weight: 1.0
fr eau semi lourde (n) Source: French Wiktionary
fr protium
― PartOf ⟶
Weight: 1.0
fr eau semi lourde (n) Source: French Wiktionary
fr deutérium
― PartOf ⟶
Weight: 1.0
fr eau semi lourde (n) Source: French Wiktionary