envelope 的定义
- a flat paper container, as for a letter or thin package, usually having a gummed flap or other means of closure.
- something that envelops; a wrapper, integument, or surrounding cover.
- Biology. a surrounding or enclosing structure, as a corolla or an outer membrane.
- Geometry. a curve or surface tangent to each member of a set of curves or surfaces.
- Radio. a curve connecting the peaks of a graph of the instantaneous value of the electric or magnetic component of the carrier wave as a function of time.
- the fabric structure enclosing the gasbag of an aerostat.
- the gasbag itself.
- Electronics. the airtight glass or metal housing of a vacuum tube.
- the technical limits within which an aircraft or electronic system may be safely operated.
envelope 近义词
wrapper
更多envelope例句
- This uses a harmless virus, usually a retrovirus, that is modified to produce the same external envelope of carbohydrates and proteins as the SARS-CoV-2 virus.
- Always follow directions from official sources, like those on your absentee-ballot envelope, over ours.
- It can only look at the signatures on the envelopes and make sure they appear to be valid.
- Encasing all of this plumbing and the animal cuddled against it lies the big floaty envelope of the outer house.
- Most importantly, as far as I can tell, there is not a s ingle report of someone dying from licking envelope glue.
- He started out with solo flights, but in this session over the desert outside Dubai he really pushes the envelope.
- The parental fold may be about to envelope you—and yet also drive you mad.
- On one occasion, Garrison said Williams had him hand one out-of-state doctor an envelope stuffed with $20,000 in cash.
- The envelope also contains a warning about the federal penalties for obstructing the mail.
- Prince William was seen clutching an envelope, when they left, most likely containing images of the scan.
- Lawrence mingled with the crowd, and as he read he felt a bulky envelope thrust in his hand and caught a glimpse of a dusky arm.
- Still, if such an envelope should be handed him, he would breathe easier until it was opened.
- Mrs. Haggard, to whom the envelope was addressed, tore it open with some anxiety; her face assumed a pleased expression.
- Desiring him to attend his orders outside, Alphonse broke open the envelope.
- It possessed the greatest interest and attraction for Edna; the envelope, its size and shape, the post-mark, the handwriting.