millimetres

例句:

• The gemstone is 28.6 millimetres high and weighs 139.43 carats.
  这块宝石高28.6毫米，重139.43克拉。
  来自柯林斯例句
• The edge must be machined down to 0.02 millimetres.
  这边缘必须切割到0.02毫米的精确度.
  
• One centimetre is equal to 10 millimetres.
  一厘米等于10毫米.
  
• She was also Olympic champion by millimetres.
  来自THETIMES
• The organ was about twenty millimetres wide.
  来自NEWYORKER
• What if there's a sudden rainstorm and twenty millimetres of rain falls?
  来自NEWYORKER