| 单词 | insulator |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔breakdown〕Electricity The abrupt failure of an insulator or insulating medium to restrict the flow of current.【电学】 击穿：绝缘体或绝缘介质突然无法制止电流通过美国传统〔exciton〕An electrically neutral excited state of an insulator or semiconductor, often regarded as a bound state of an electron and a hole.激子：由于吸收光子在固体中产生的可移动的束缚的电子-空子对美国传统〔foam〕Polyurethane foam is a highly efficient insulator.聚氨酯泡沫塑料是一种很好的绝缘材料。外研社新世纪〔insulant〕A material used for insulation; an insulator.绝缘材料：用于绝缘的材料；绝缘体美国传统〔insulator〕Fat is an excellent insulator against the cold.脂肪是极好的抵御寒冷的绝热体。柯林斯高阶〔insulator〕Fat is an excellent insulator against the cold.脂肪是绝佳的保温层。外研社新世纪〔insulator〕Generally, plastics tend to be good insulators.一般说来，塑料往往是很好的绝缘体。剑桥高阶〔insulator〕Metal is not a good insulator.金属不是好的绝缘体。韦氏高阶〔insulator〕Porcelain is an effective insulator.瓷是一种有效的绝缘体。英汉大词典〔insulator〕Wood is an excellent insulator.木材是很好的绝缘体。朗文当代〔standoff insulator〕An insulator used to support a conductor a specified distance from a surface.绝缘体：用来使一个导体与表面隔离一段距离的隔离物美国传统〔standoff〕A standoff insulator.绝缘体美国传统〔synthetics〕Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。柯林斯高阶〔synthetic〕Natural fabrics like silk and wool are better insulators than synthetics.丝和羊毛等天然纤维比合成材料绝缘性更好。外研社新世纪〔varactor〕A semiconductor device in which the capacitance is sensitive to the applied voltage at the boundary of the semiconductor material and an insulator.变容二极管，可变电抗器：一种半导体装置，其中电容对应用在半导体材料和绝缘体边界线处的电压很敏感美国传统Generally, plastics tend to be good insulators.一般说来，塑料往往是很好的绝缘体。剑桥国际 |
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