decimal equivalents of inch

例句：

1. 1.The book is 2 inches thick.
   这本书有2英寸厚。
2. 2. She measured the length of the wall with an inch ruler.
   她用一把英寸尺测量了墙的长度。
3. 3.The table is too small for a person to sit on comfortably.
   这张桌子太小，人坐不舒服。