| 释义 |
envelope美 ['ɑnvə.loʊp] 英 ['envələʊp] - n.信封；塑料封套；塑料封皮
- 网络包络；包膜；包络线
v.+n. open envelope,address envelope,slit envelope adj.+n. brown envelope,seal envelope,plastic envelope n. cover,wrapper,covering,wrapping,packet 1. | 信封a flat paper container used for sending letters in |
| writing paper and envelopes 信纸和信封 | | an airmail/padded/prepaid envelope 航空╱有垫料夹层的╱预付邮资信封 |
2. | 塑料封套；塑料封皮a flat container made of plastic for keeping papers in |
n. | 9. 【航空】气囊;【天文学】包层;【生物学】包膜,包被 9. 【航空】气囊;【天文学】包层;【生物学】包膜,包被 | v. | |
n. | 1. a flat pocket of paper with a sealable flap for holding a letter 2. something that surrounds or encloses something else 3. a covering that encloses and protects an animal's body or a biological structure, e.g. a shell or membrane 4. a curve or surface that forms a tangent to each of the members of a set of curves or surfaces, e.g. circles with a common centre but different radii 5. the bag of an airship or balloon that contains the gas 6. the performance limits of a piece of equipment, particularly of an aircraft 7. a flat paper case for a letter or document, with a part that you stick down to close it before you write an address on it and send it through the post 8. a thin case that contains something 1. a flat pocket of paper with a sealable flap for holding a letter 2. something that surrounds or encloses something else 3. a covering that encloses and protects an animal's body or a biological structure, e.g. a shell or membrane 4. a curve or surface that forms a tangent to each of the members of a set of curves or surfaces, e.g. circles with a common centre but different radii 5. the bag of an airship or balloon that contains the gas 6. the performance limits of a piece of equipment, particularly of an aircraft 7. a flat paper case for a letter or document, with a part that you stick down to close it before you write an address on it and send it through the post 8. a thin case that contains something |
|