were concentrating

Past progressive conjugation of concentrate.

concentrate

concentrarse

concentrar

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500+ learners.

INTRANSITIVE VERB

(to focus one's attention)-concentrarse

Synonyms for concentrate

Antonyms for concentrate

TRANSITIVE VERB

(to focus)-concentrar

Synonyms for concentrate

Antonyms for concentrate

NOUN

(substance)-el concentrado

Synonyms for concentrate

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