| 单词 | hardens |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔SHAPE〕The molten rock hardens into amorphous forms. 熔岩凝固成一块块不规则的形状。朗文写作活用〔cement〕A substance that hardens to act as an adhesive; glue.接合剂，接合胶：一种用作胶合材料胶接剂的物质；接合胶美国传统〔etiolate〕Drink hardens the skin and drugs etiolate it.酒会使皮肤老化,麻醉毒品会使皮肤苍白。英汉大词典〔hardener〕One that hardens, especially a substance added to varnish or paint to give it a harder surface or finish.硬化剂：一种尤指加入清漆或涂料使之形成更硬的表面的硬化物质美国传统〔hardening〕Mould the mixture into shape while hot, before it hardens.在混合物还没有变硬之前，趁热将它塑成形。柯林斯高阶〔hardening〕Something that hardens, as a substance added to iron to yield steel.硬化剂：如加在铁上使其形成钢的硬化性物质美国传统〔harden〕Mortar hardens by drying.灰浆干了就变硬。英汉大词典〔harden〕Mould the mixture into shape while hot, before it hardens.在混合物变硬之前趁热将其塑成形。外研社新世纪〔harden〕She hardens to my coming.她对我的到来反应冷淡。21世纪英汉〔harden〕The gel hardens quickly.凝胶很快就变硬了。韦氏高阶〔harden〕The mixture hardens as it cools.混合物冷却时变硬了。剑桥高阶〔harden〕This additive hardens the cement in an hour.这种添加剂会使水泥在一小时后变硬。麦克米伦高阶〔lignin〕A complex polymer, the chief noncarbohydrate constituent of wood, that binds to cellulose fibers and hardens and strengthens the cell walls of plants.木质素：一种复杂聚合物，是木头非碳水化合物的主要组成物，作用是凝聚纤维素并增强细胞壁的强度美国传统〔plaster〕A mixture of lime or gypsum, sand, and water, sometimes with fiber added, that hardens to a smooth solid and is used for coating walls and ceilings.灰泥：石灰或石膏、沙子和水的混合物，有时还加入纤维，变硬后成为光滑的固体，用来涂墙壁和天花板美国传统〔sclerotin〕An insoluble protein that hardens and darkens the cuticle of arthropods by a natural tanning process involving the cross-linkage of chitin protein molecules.骨质：通过自然变黑、硬化过程使节肢动物的表皮变硬、发黑的一种不溶性蛋白质，这一过程涉及几个质蛋白质分子的交联美国传统〔silk gland〕Any of the glands in silk-spinning insects and spiders that secrete a protein liquid that hardens into silk on exposure to air.丝腺：吐丝昆虫和蜘蛛的任一腺体，其分泌的蛋白质液体接触空气后变硬成丝美国传统The mixture hardens as it cools.混合物冷却时变硬。剑桥国际 |
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