Definition: a unit of length equal to 0.01 of a meter Level: A2
这本书宽25厘米。
This book is 25 ___centimeters wide.
我需要一把20厘米长的尺子。
I need a ruler that is 20 ___centimeters long.
一厘米等于0.01米。
One ___centimeter equals 0.01 meters.
