elles

• Pron

  1. they (female)
  2. them (female)

• Noun

sont

third-person plural present indicative of être

un

• Article

  an, a

• Num
• Pron
• Noun

élément

1. element (part of a whole)
2. element (chemical element)

caractéristique

• Noun

  characteristic, trait [from 1550]

• Adj

des

• Article

  1. plural of un (“some; the plural indefinite article”)
  2. plural of une (“some; the plural indefinite article”)
  3. plural of du (“some; the plural partitive article”)
  4. plural of de la (“some; the plural partitive article”)
  5. plural of de l’ (“some; the plural partitive article”)

• Contraction

toundras

plural of toundra