Bulgarian-English translations for сменям

• change
  The tadpole changed into a frog.   Stock prices are constantly changing
  The fairy changed the frog into a prince.   I had to change the wording of the ad so it would fit
  Ask the janitor to come and change the lightbulb.   After a brisk walk, I washed up and changed my shirt
• exchange
  All in all, it was an even exchange.
  an exchange of cattle for grain
  The stock exchange is open for trading.
• interchange
  to interchange places
  to interchange cares with pleasures
  Holborn tube station is the only interchange between the London Underground Central and Piccadilly Lines