| 释义 |
DEFINITIVE EXAMPLES 权威例句〔ebonite〕A relatively inelastic rubber, made by vulcanization with a large amount of sulfur and used as an electrical insulating material.硬橡胶：一种用大量硫磺硬化而成的相对无弹性的橡胶，用作绝缘材料美国传统〔vermiculite〕Any of a group of micaceous hydrated silicate minerals related to the chlorites and used in heat-expanded form as insulation and as a planting medium.蛭石：与绿混石有关的一组含云母的水合硅酸盐矿物质的统称，并以热膨胀形式用作绝缘材料和种植媒介美国传统 |