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"Dentro de" is a preposition which is often translated as "inside", and "encima de" is a phrase which is often translated as "on". Learn more about the difference between "dentro de" and "encima de" below.
dentro de(
dehn
-
troh
deh
)A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
2. (time limit)
encima de(
ehn
-
see
-
mah
deh
)A phrase is a group of words commonly used together (e.g., once upon a time).