il

1. he (third-person singular masculine subject pronoun for human subject)
2. it (third-person singular subject pronoun for grammatically masculine objects)
3. Impersonal subject; it

convient

third-person singular present indicative of convenir

de

• Prep

  1. of (expresses belonging)
  2. of (used to express property or association)
  3. from (used to indicate origin)
  4. of (indicates an amount)
  5. used attributively, often translated into English as a compound word
  6. from (used to indicate the start of a time or range)
  7. used after certain verbs before an infinitive, often translated into English as a gerund or an infinitive
  8. by (indicates the amount of change)

• Article
• Noun

distinguer

1. to distinguish
2. to be distinguished

explicitement

explicitly

la

• Article

  the (definite article)

• Pron
• Noun

nucléaire

nuclear

de la

1. of the
2. some; the feminine partitive article