noughts

例句:

• Using binary notation is in fact just manipulating ones and noughts.
  使用二进制标号法实际上只运用1和0两个数.
  
• A million is written with six noughts.
  一百万写出来有六个零。
  
• When you write down in figures the number one million, how many noughts are there?
  一百万写成数字时，一共有几个0？
  
• These relief camp youngsters are playing adda kadda, a Pakistani version of noughts and crosses.
  来自BBC