52单词网 > 高中英语 > 高中英语题库 > The birth r is the number of births compared to the number of people.

The birth r is the number of births compared to the number of people.

来源:网络 时间:
The birth r is the number of births compared to the number of people.

The birth r________ is the number of births compared to the number of people.

 

试题答案

rate

标签:thenumberis