| 单词 | steel |
| 释义 | steel (once / 127 pages) nv Steel is a kind of metal alloy that's made of iron and carbon. It's known for being incredibly strong and is often used to build the framework of skyscrapers. It's also helpful to have "nerves of steel." Steel isn't just a kind of metal. A steel can also be the long, rough thing you sharpen knives on. Or if you're one of the Three Musketeers, you probably carry a steel, or a sword. People who are really brave have nerves of steel. And if you want to use steel as a verb, go right ahead: if there's something hard or unpleasant ahead, you'll need to steel yourself to get ready for it. WORD FAMILYsteel: steeled, steeling, steels, steely+/steely: steelily USAGE EXAMPLESMen moved steel plate and I-beams with cranes that ran on tracks in the floor. The New Yorker(Jan 01, 2017) It was the first in the city to utilize a modern iron and steel frame. Washington Post(Dec 31, 2016) Metro’s sleek new stainless steel rail cars are noticeably different from their clanking aluminum predecessors: They’re shiny, brightly lighted, far more modern. Washington Post(Dec 30, 2016) 1n an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range Hypo|Hyper alloy steel steel who characteristics are determined by the addition of other elements in addition to carbon austenitic steelsteel that has enough nickel and chromium or manganese to retain austenite at atmospheric temperatures case-hardened steelsteel with a surface that is much harder than the interior metal carbon steelsteel whose characteristics are determined by the amount of carbon it contains crucible steelsteel made by the mixture of molten wrought iron, charcoal, and other substances in a crucible Damascus steel, Damask steela hard resilient steel often decorated and used for sword blades chisel steelsteel used in making chisels hard steelsteel with more than 0.3% carbon medium steelsteel with 0.15-0.3% carbon low-carbon steel, mild steel, soft-cast steelsteel with less than 0.15% carbon quenched steelsteel that has been hardened by immersing it in water or oil to cool it structural steela strong steel that is rolled into shapes that are used in construction chromium steel, stainless, stainless steelsteel containing chromium that makes it resistant to corrosion Elinvar, chrome-nickel steelElinvar is a trademark for a kind of steel used for watch springs because its elasticity is constant over a wide range of temperatures chrome-tungsten steela steel alloy made with chromium and tungsten drill rod, drill steelcarbon steel used for rock drills and dowels eutectoid steela steel that contains 0.9% carbon (the eutectic point); a carbon steel with 0.9% carbon is pure pearlite hyper-eutectoid steela steel that contains more than 0.9% carbon hypo-eutectoid steela steel that contains less that 0.9% carbon austenitic manganese steel, manganese steela steel with a relatively large component (10-14%) of manganese; highly resistant to wear and shock molybdenum steelsteel containing 10-15% molybdenum; properties are similar to tungsten steel nickel steelan alloy steel containing nickel oil-hardened steelsteel that is quenched in oil tool steelalloy steel that is suitable for making tools; is hard and tough and can retain a cutting edge tungsten steel, wolfram steela very hard heat-resistant steel containing tungsten vanadium steelsteel alloyed with vanadium for greater strength and high-temperature stability alloy, metal a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten 2n a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard Syn|Exp|Hypo|Hyper blade, brand, sword Excalibur the legendary sword of King Arthur backsword a sword with only one cutting edge broadsworda sword with a broad blade and (usually) two cutting edges; used to cut rather than stab cavalry sword, saber, sabrea stout sword with a curved blade and thick back cutlas, cutlassa short heavy curved sword with one edge; formerly used by sailors falchiona short broad slightly convex medieval sword with a sharp point fencing sworda sword used in the sport of fencing rapier, tucka straight sword with a narrow blade and two edges claymorea large double-edged broadsword; formerly used by Scottish Highlanders epeea fencing sword similar to a foil but with a heavier blade foila light slender flexible sword tipped by a button saber, sabrea fencing sword with a v-shaped blade and a slightly curved handle scimitara curved oriental saber; the edge is on the convex side of the blade arm, weapon, weapon system any instrument or instrumentality used in fighting or hunting 3n knife sharpener consisting of a ridged steel rod Hyper sharpener any implement that is used to make something (an edge or a point) sharper 4v cover, plate, or edge with steel Hyper cover provide with a covering or cause to be covered 5v get ready for something difficult or unpleasant Syn|Hyper nerve brace, poise prepare (oneself) for something unpleasant or difficult |
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