plastics

• She had been sipping water; a plastic cup was in her hand .
  她手中拿着一个塑料杯，正在喝水。
• Japanese vegetable production in plastic tunnels were included .
  包括日本塑料小棚的蔬菜生产。
• A button can be made of bone, wood, glass, or plastic .
  扭扣可以用骨头、木头、玻璃或塑料制成。
• From this master disc, plastic discs are stamped out cheaply .
  从这个总盘很便宜地复制出塑料盘。
• Thermoplastic and thermosetting substances are called plastics .
  热塑塑料和热固的物质称为塑料。
• A plastic membrane serves as selective diffusion barrier .
  一层塑料薄膜起着选择性渗透屏障的作用。
• In the later case the organization seems to become plastic .
  在后一种情形下，有机体似乎变成可塑造的。
• High pressure is used to stamp articles made of metal and plastics .
  高压还用来冲压金属和塑料制成的物品。
• If plastic and rubber are burnt , they 'll give off poisonous gases .
  塑料和橡胶燃烧，就会放出有毒的气体。
• A good quality plasticizer will remain in the plastic indefinitely .
  性质优良的增塑剂能无限期地留在塑料内。