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sour (EN)
adjetivo, verbo

adjetivo “sour”

forma base sour, sourer, sourest (ou more/most)
  1. azedo
    To make foods taste more sour, you can add vinegar.
  2. estragado
    The milk went sour, so we'll have to throw it away.
  3. hostil
    She spoke in a sour tone, making everyone feel unwelcome.
  4. ácido (demasiado ácido para a maioria das plantas)
    The farmer struggled to grow crops on the sour soil in the back field.

verbo “sour”

infinitivo sour; ele sours; pret. soured; part. soured; ger. souring
  1. estragar
    The argument soured their friendship, and they stopped talking to each other.
  2. azedar
    The milk soured after being left out of the fridge overnight.