low yo yo 中文意思是什麼
low yo yo
解釋
低強勢迴旋-
Average children of yo of schoolgirl of fu of a yo age number is in 2. 1 the following, call low birth level
平均一個育齡婦女生育子女個數在2 . 1以下,則稱為低生育水平。
分享友人