insulators ['ɪnsjʊleɪtəz]

例句:

• Conduction is slow because solid layers act as insulators.
  来自SA
• 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。
  
• Poor conductors of heat are called insulators.
  来自BBC
• There is no sharp line separating conductors from insulators.
  实际上并没有一个明显的界限将半导体和绝缘体分开.
  
• To reduce heat losses the pipes are covered by thermal insulators.
  为了减少热散失,管子外包保温层.
  
• Today's buildings are often filled with chemical insulators and films on windows.
  来自WSJ