| 单词 | layer |
| 释义 | layer (once / 357 pages) 1nv 2n The noun layer describes a thin piece that's stacked on other thin pieces, like a layer of noodles in a lasagna dish. You can also apply a layer of paint to make your wall color more vivid. Layer can also be used figuratively to describe an abstract thickness or barrier. Celebrities are known to surround themselves with managers, agents, stylists, and friends — forming a layer between them and the prying public. Layer can also be a verb. You can layer your bed with blankets on a cold night, as a layer of ice forms on the sidewalks and streets outside. WORD FAMILYlayer: interlayer, layered, layering, layers+/interlayer: interlayers/lay: laily, laity, layer, laying, lays, mislay, overlay, underlay/laying: layings/mislay: mislayed, mislaying, mislays/overlay: overlaid, overlayed, overlayer, overlaying, overlays/overlayer: overlayers/underlay: underlaid, underlayed, underlaying, underlayment, underlays USAGE EXAMPLESThe containers consist of an aluminum liner with an outer layer of strong carbon fibers. New York Times(Jan 02, 2017) Lacking the roots to hold his layers of skin together, AJ is at risk of his skin sloughing off from a hard bump. Washington Times(Jan 02, 2017) The building’s ceiling allowed for grow tables to be stacked twelve layers tall, to a height of thirty-six feet, in rows eighty feet long. The New Yorker(Jan 01, 2017) 1 1n single thickness of usually some homogeneous substance Syn|Hypo|Hyper bed backing, mount something forming a back that is added for strengthening blanketa layer of lead surrounding the highly reactive core of a nuclear reactor course, row(construction) a layer of masonry cushionthe layer of air that supports a hovercraft or similar vehicle interlayera layer placed between other layers liftone of the layers forming the heel of a shoe or boot overlaya layer of decorative material (such as gold leaf or wood veneer) applied over a surface ply(usually in combinations) one of several layers of cloth or paper or wood as in plywood tierone of two or more layers one atop another walla layer of material that encloses space damp course, damp-proof coursea course of some impermeable material laid in the foundation walls of building near the ground to prevent dampness from rising into the building row of bricksa course of bricks place next to each other (usually in a straight line) top liftthe bottom layer of a heel artefact, artifact a man-made object taken as a whole 2n a relatively thin sheetlike expanse or region lying over or under another Exp|Hypo|Hyper A horizon the top layer of a soil profile; usually contains humus B horizonimmediately below the A-horizon; contains deposits of organic matter leached from surface soils C horizonbeneath the B-horizon and above the bedrock; consisting of weathered rock stratum one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock) asthenospherethe lower layer of the crust chromospherea gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun Earth's crust, crustthe outer layer of the Earth exospherethe outermost atmospheric layer hydrospherethe watery layer of the earth's surface; includes water vapor geosphere, lithospherethe solid part of the earth consisting of the crust and outer mantle lower mantlethe deeper part of the mantle mantlethe layer of the earth between the crust and the core mesospherethe atmospheric layer between the stratosphere and the thermosphere ozone layer, ozonospherea layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun stratospherethe atmospheric layer between the troposphere and the mesosphere Earth's surface, surfacethe outermost level of the land or sea thermospherethe atmospheric layer between the mesosphere and the exosphere tropopausethe region of discontinuity between the troposphere and the stratosphere tropospherethe lowest atmospheric layer; from 4 to 11 miles high (depending on latitude) upper mantlethe upper part of the mantle cell walla rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic cells; maintains the shape of the cell and serves as a protective barrier snowa layer of snowflakes (white crystals of frozen water) covering the ground cuticle, epidermisthe outer layer of the skin covering the exterior body surface of vertebrates corneum, horny layer, stratum corneumthe outermost layer of the epidermis consisting of dead cells that slough off stratum lucidumthe layer of epidermis immediately under the stratum corneum in the skin of the palms and soles stratum granulosumthe layer of epidermis just under the stratum corneum or (on the palms and soles) just under the stratum lucidum; contains cells (with visible granules) that die and move to the surface malpighian layer, rete Malpighii, stratum basale, stratum germinativumthe innermost layer of the epidermis corium, derma, dermisthe deep vascular inner layer of the skin cambiumthe inner layer of the periosteum paries, wall(anatomy) a layer (a lining or membrane) that encloses a structure substrate, substratumany stratum or layer lying underneath another superstrate, superstratumany stratum or layer superimposed on another horizona specific layer or stratum of soil or subsoil in a vertical cross section of land bed, seama stratum of ore or coal thick enough to be mined with profit bed(geology) a stratum of rock (especially sedimentary rock) floorthe bottom surface of any lake or other body of water floorthe lower inside surface of any hollow structure horsta ridge of the earth's crust that has been forced upward between two faults and so is higher than the surrounding land crustal plate, platea rigid layer of the Earth's crust that is believed to drift slowly corn snowgranular snow formed by alternate thawing and freezing crudheavy wet snow that is unsuitable for skiing part, region the extended spatial location of something 3n thin structure composed of a single thickness of cells Hypo|Hyper blastoderm, blastodisc, germinal area, germinal disc a layer of cells on the inside of the blastula hypodermislayer of cells that secretes the chitinous cuticle in e.g. arthropods anatomical structure, bodily structure, body structure, complex body part, structure a particular complex anatomical part of a living thing 4n an abstract place usually conceived as having depth a simile has at least two layers of meaning Syn|Hyper level, stratum place an abstract mental location 5v make or form a layer 2layer the different colored sands Hyper forge, form, mold, mould, shape, work make something, usually for a specific function n a hen that lays eggs Hyper biddy, hen adult female chicken |
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