ils

1. they (male or mixed group)
2. (informal) they (female)

effectuent

third-person plural present indicative/subjunctive of effectuer

le leur

theirs (the one belonging to them)

première

• Adj

  feminine singular of premier

• Noun

mission

1. mission (duty that involves fulfilling a request)
2. mission (religious evangelism)

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

bombardement

bombing, bombardment (action of setting off a bomb)

le

• Article

  1. the (definite article)
  2. Used before abstract nouns; not translated in English.
  3. Used before the names of most countries, many subnational regions, and other geographical names including names of lakes and streets; not translated into English in most cases.
  4. the; my, your, etc.
  5. a, an, per
  6. on

• Pron