Sie

you (polite; singular and plural)

etwa

1. approximately
2. for instance
3. by any chance, possibly
4. really (expresses surprise or the expectation of a negative answer)

Protest

protest

an

• Prep

  1. on; upon; at; in; against
  2. by; near; close to; next to
  3. on; in; at
  4. a; per; only used with the word Tag (“day”), otherwise use in

• Adv
• Adj

doch

• Particle

  yes; surely; really; on the contrary

• Conj
• Adv

es

• Pron

  1. nominative and accusative neuter third-person singular personal pronoun
  2. Impersonal pronoun used to refer to statements, activities, the environment etc., or as a placeholder/dummy pronoun — it

• Article

bereits

1. already
2. 2010 July 12, Gerald Traufetter, “Grüner fliegen”, in Der Spiegel, number 28, archived from the original on 2010-09-30, page 109
3. 2010 July 12, Gerald Traufetter, “Grüner fliegen”, in Der Spiegel, number 28, archived from the original on 2010-09-30, page 109: Optimistischen Schätzungen zufolge könnte im Jahr 2040 bereits die Hälfte des Flugzeugsprits aus biologischen Quellen stammen. According to optimistic estimates, already half of the airplane fuel could originate from biological sources in the year 2040.
4. 2010 July 12, Gerald Traufetter, “Grüner fliegen”, in Der Spiegel, number 28, archived from the original on 2010-09-30, page 109: Optimistischen Schätzungen zufolge könnte im Jahr 2040 bereits die Hälfte des Flugzeugsprits aus biologischen Quellen stammen. According to optimistic estimates, already half of the airplane fuel could originate from biological sources in the year 2040.

ich

I (first person singular nominative (subject) pronoun)