infra ['ɪnfrə]

例句:

• The infra - red spectra of quinones present a number of interesting features.
  醌类的红外光谱具有一些有趣的性质.
  
• An infra-red eye is said to detect the movement of any animal within an angle of 110 degrees at up to 10 metres.
  据说红外眼能够探测到110度角范围内远至10米的任何动物的活动。
  
• Dancing in the street is rather infra dig for a bank manager!
  一个银行经理在街上跳舞,那是颇失身分的!
  
• A bit infra dig,...touting for reader-support like this?
  来自Scouting
• We use infra-red light to pierce erasures in the correspondence.
  来自J. Barnes
• He also likes the use of infra-red to pick up movement.
  来自VOA