deci-

例句：

1. 1. The number of students in the class is deci.
   班级里学生的数量是十进制的。
2. 2. The teacher gave us a lesson on how to count in ten-thousands.
   老师教我们如何以十进制计数。
3. 3. The decimal system is used for measuring length and weight in many countries.
   十进制系统被用于许多国家的测量长度和重量。