Tìm kiếm
Envelope
02
bao
any wrapper or covering
03
bao
the bag containing the gas in a balloon
04
bao
the maximum operating capability of a system (especially an aircraft)
05
bao
a natural covering (as by a fluid)
06
bao
a curve that is tangent to each of a family of curves
Ví dụ
The envelope contained a surprise birthday card.
She handed me an envelope with a note inside.
She found an old envelope with photos in it.
He wrote the address on the envelope.
I need to buy some envelopes for my Christmas cards.