a material that softens when heated and hardens again when cooled
例句
用作名词 (n.)
Today, thermoplastics dominate the industry. 今天,热塑性塑料主导了产业。
Fluorine resin is a paraffin-based molecular structure of thermoplastics, including all or part of hydrogen fluoride were replaced. 氟树脂是具有石蜡型分子结构的热塑性塑料,其中全部或部分氢被氟取代。