同义:

• central heating集中供暖法
  
• chain(s)
  
• champion
  
• chaplain
  
• chapter
  
• check
  
• chest-nut
  
• chief
  
• child
  
• childrenchild 的复数
  
• church
  
• Switzerland瑞士
  
• clearinghouse
  
• courthouse
  
• customhouse海关