menarcheal
英
美
网络 经初潮的
双语例句
- Investigation on the menarcheal age of female students of Zhuang nationality in Guangxi
广西壮族女学生初潮年龄调查研究 - A study of menarcheal age
月经初潮年龄的研究 - Menarcheal age as early as 8 years old, the age of 21 at the latest, average ( 12.37 ± 1.21) age. 2.
结果：1、月经初潮年龄最早8岁，最晚21岁，平均（12.37士1.21）岁。