释义 |
long-chain polymer短语¹⁴⁴⁹⁷²⁺² 基本例句 长链聚合物 The long polymers, in contrast, are generally poor conductors in their pure state.相比之下,单纯的长链聚合物通常是很差的导体。 Standard rubber bands, which can stretch up to several hundred percent then snap back into shape, are made from long chains of cross-linked polymers.标准橡皮筋由交错连接的长链聚合物制成,能拉伸至原先长度的几倍,释放后可缩回原型。 |