Hledat
Envelope
01
obálka
a thin, paper cover in which we put and send a letter
Example
He wrote the address on the envelope.
I need to buy some envelopes for my Christmas cards.
She found an old envelope with photos in it.
02
obal, poukázka
any wrapper or covering
03
obal, sáček
the bag containing the gas in a balloon
04
operační obálka, maximální výkonnost
the maximum operating capability of a system (especially an aircraft)
05
obal
a natural covering (as by a fluid)
06
obálka, povrch
a curve that is tangent to each of a family of curves
