| 单词 | 一金属 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔LEVEL〕By mixing metals it is possible to make alloys which are tougher and have a lower melting point than the individual metals. 把各种金属熔合在一起，可以制成较坚固和熔点低于单一金属的合金。朗文写作活用〔basket〕Either of the two elevated goals, each consisting of a metal hoop from which an open-bottomed circular net is suspended.球篮：两个升高的球篮之一，每个由一金属环上挂有一个无底的圆网组成美国传统〔cladding〕A metal coating bonded onto another metal under high pressure and temperature.覆层：在高温高压下结合到另一金属上的金属外层美国传统〔dumbbell〕A weight consisting of a short bar with a metal ball or disk at each end that is lifted for muscular development and exercise.哑铃：短柄两端各有一金属球或盘的重物，用来举起以发展和锻炼肌肉美国传统〔niello〕Any of several black metallic alloys of sulfur with copper, silver, or lead, used to fill an incised design on the surface of another metal.黑银镶嵌：由硫和铜、银或铅构成的深墨色合金，用来注入另一金属表面所雕刻的花纹图案中美国传统〔peavey〕An implement consisting of a wooden shaft with a metal point and a hinged hook near the end, used to handle logs.钩梃：伐木用的器具，木柄上有一金属尖，末端附近有一折钩美国传统〔screw eye〕A wood screw with an eyelet in place of a head.环首木螺钉：用一金属圈代替头的木头螺钉美国传统〔track〕A metal groove or ridge that holds, guides, and reduces friction for a moving device or apparatus.导轨：一金属槽或脊，可承受、引导移动装置或设备并减少其摩擦美国传统 |
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